Source warnings on compile

[lukespragg]

flow-events\src\main\java\com\flowpowered\events\EventManager.java:39: warning: [rawtypes] found raw type: Event
    public <T extends Event> T callEvent(T event);
                      ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event

flow-events\src\main\java\com\flowpowered\events\EventManager.java:82: warning: [rawtypes] found raw type: Event
    public void registerEvent(Class<? extends Event> event, Order priority, EventExecutor executor, Object owner);
                                              ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event

flow-events\src\main\java\com\flowpowered\events\SimpleEventManager.java:43: warning: [rawtypes] found raw type: Event
    private final Map<Class<? extends Event>, HandlerList> handlers = new ConcurrentHashMap<>(16, .75f, 4);
                                      ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event

flow-events\src\main\java\com\flowpowered\events\SimpleEventManager.java:75: warning: [rawtypes] found raw type: Event
    public <T extends Event> T callEvent(T event) {
                      ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event

flow-events\src\main\java\com\flowpowered\events\SimpleEventManager.java:116: warning: [rawtypes] found raw type: Event
                Class<? extends Event> eventClass = getValidatedClass(method);
                                ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event

flow-events\src\main\java\com\flowpowered\events\SimpleEventManager.java:144: warning: [rawtypes] found raw type: Event
                Class<? extends Event> eventClass = getValidatedClass(method);
                                ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event

flow-events\src\main\java\com\flowpowered\events\SimpleEventManager.java:153: warning: [rawtypes] found raw type: Event
    public void registerEvent(Class<? extends Event> event, Order priority, EventExecutor executor, Object owner) {
                                              ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event

flow-events\src\main\java\com\flowpowered\events\SimpleEventManager.java:157: warning: [rawtypes] found raw type: Event
    private HandlerList newHandlerList(Class<? extends Event> clazz) {
                                                       ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event

flow-events\src\main\java\com\flowpowered\events\SimpleEventManager.java:185: warning: [rawtypes] found raw type: Event
    private Class<? extends Event> getValidatedClass(Method method) throws IllegalArgumentException {
                            ^
  missing type arguments for generic class Event<T>
  where T is a type-variable:
    T extends EventParameter declared in class Event