Source errors on compile with commands

[lukespragg]

The Commands example is outdated, as @Wolf480pl mentioned on IRC. It should be using the master branch.

[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/OverrideTestExecutor.java:[35,32] cannot find symbol
  symbol:   class CompletingCommandExecutor
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/OverrideTestExecutor.java:[37,46] cannot find symbol
  symbol: class CompletingCommandExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/DelayedExecutor.java:[33,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/DelayedExecutor.java:[34,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/DelayedExecutor.java:[36,32] cannot find symbol
  symbol:   class CompletingCommandExecutor
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/DelayedExecutor.java:[37,32] cannot find symbol
  symbol:   class InvalidCommandArgumentException
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/DelayedExecutor.java:[39,41] cannot find symbol
  symbol: class CompletingCommandExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/EchoExecutor.java:[34,32] cannot find symbol
  symbol:   class CompletingCommandExecutor
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/EchoExecutor.java:[36,38] cannot find symbol
  symbol: class CompletingCommandExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/TellExecutor.java:[38,32] cannot find symbol
  symbol:   class CompletingCommandExecutor
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/TellExecutor.java:[39,32] cannot find symbol
  symbol:   class InvalidCommandArgumentException
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/TellExecutor.java:[41,38] cannot find symbol
  symbol: class CompletingCommandExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/HelpExecutor.java:[31,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/HelpExecutor.java:[32,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/HelpExecutor.java:[34,32] cannot find symbol
  symbol:   class CompletingCommandExecutor
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/HelpExecutor.java:[36,38] cannot find symbol
  symbol: class CompletingCommandExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/HelpExecutor.java:[79,13] cannot find symbol
  symbol:   class CommandFlags
  location: class com.flowpowered.examples.commands.HelpExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/VectorTestExecutor.java:[36,32] cannot find symbol
  symbol:   class CompletingCommandExecutor
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/VectorTestExecutor.java:[37,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/VectorTestExecutor.java:[38,37] package com.flowpowered.commands.util does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/VectorTestExecutor.java:[40,44] cannot find symbol
  symbol: class CompletingCommandExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[34,31] package org.spout.cereal.config does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[35,31] package org.spout.cereal.config does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[36,36] package org.spout.cereal.config.yaml does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[50,45] package com.flowpowered.commands.syntax.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[51,45] package com.flowpowered.commands.syntax.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[52,63] package com.flowpowered.commands.syntax.flags.DefaultFlagSyntax does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[53,39] package com.flowpowered.commands.syntax does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[54,39] package com.flowpowered.commands.syntax does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[55,39] package com.flowpowered.commands.syntax does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[60,13] cannot find symbol
  symbol:   class Configuration
  location: class com.flowpowered.examples.commands.CommandTest
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[65,13] cannot find symbol
  symbol:   class Syntax
  location: class com.flowpowered.examples.commands.CommandTest
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[67,36] cannot find symbol
  symbol:   class ConfigurationException
  location: class com.flowpowered.examples.commands.CommandTest
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[71,27] cannot find symbol
  symbol:   class Syntax
  location: class com.flowpowered.examples.commands.CommandTest
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[71,52] cannot find symbol
  symbol:   class ConfigurationException
  location: class com.flowpowered.examples.commands.CommandTest
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/CommandTest.java:[145,51] cannot find symbol
  symbol:   class ConfigurationException
  location: class com.flowpowered.examples.commands.CommandTest
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiFlagExecutor.java:[32,32] cannot find symbol
  symbol:   class CompletingCommandExecutor
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiFlagExecutor.java:[33,32] cannot find symbol
  symbol:   class InvalidCommandArgumentException
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiFlagExecutor.java:[34,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiFlagExecutor.java:[35,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiFlagExecutor.java:[37,43] cannot find symbol
  symbol: class CompletingCommandExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiFlagExecutor.java:[73,13] cannot find symbol
  symbol:   class CommandFlags
  location: class com.flowpowered.examples.commands.MultiFlagExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiArgFlagExecutor.java:[32,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiArgFlagExecutor.java:[33,38] package com.flowpowered.commands.flags does not exist
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiArgFlagExecutor.java:[35,32] cannot find symbol
  symbol:   class CompletingCommandExecutor
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiArgFlagExecutor.java:[36,32] cannot find symbol
  symbol:   class InvalidCommandArgumentException
  location: package com.flowpowered.commands
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiArgFlagExecutor.java:[38,46] cannot find symbol
  symbol: class CompletingCommandExecutor
[ERROR] examples/commands/src/main/java/com/flowpowered/examples/commands/MultiArgFlagExecutor.java:[72,13] cannot find symbol
  symbol:   class CommandFlags
  location: class com.flowpowered.examples.commands.MultiArgFlagExecutor