Update links in the README

README.md

@@ -1,25 +1,17 @@
+# The Elm Compiler [![Build Status](https://travis-ci.org/elm-lang/elm-compiler.svg?branch=master)](https://travis-ci.org/elm-lang/elm-compiler)
+
 Learn about the Elm programming language at [elm-lang.org](http://elm-lang.org/).
 
-[![Build Status](https://travis-ci.org/elm-lang/elm-compiler.svg?branch=master)](https://travis-ci.org/elm-lang/elm-compiler)
 
 ## Install
 
-Follow [these instructions][installer] to use Elm on your machine. Be sure to use
-the platform specific installers if you are on Mac or Windows. It's way easier!
-
- [installer]: https://github.com/elm-lang/elm-platform/blob/master/README.md#elm-platform
+Follow [these instructions][installer]!
 
-## Build from source / Contribute
+ [installer]: https://guide.elm-lang.org/install.html
 
-Use [this script][build] to build the entire Elm Platform from source: the compiler,
-REPL, package manager, and reactor. Be sure to read all the instructions to learn
-how the script works and what your workflow will be like.
-
-[build]: https://github.com/elm-lang/elm-platform/blob/master/installers/BuildFromSource.hs
 
 ## Help
 
-If you are stuck, email
-[the list](https://groups.google.com/forum/?fromgroups#!forum/elm-discuss)
-or ask a question in the
-[#Elm IRC channel](http://webchat.freenode.net/?channels=elm).
+If you are stuck, ask around on [the Elm slack channel][slack]. Folks are friendly and happy to help with questions!
+
+[slack]: http://elmlang.herokuapp.com/