Make travis check the license headers too.
Update README
Add basic PR guidelines
Add pre-commit hook.
Merge pull request #1 from GUIpsp/patch-1

Update readme.
Update SpongeProxyEvent.java

Remove superfluous case in switch statement.
Merge pull request #4 from ElgarL/patch-1

Update SpongeProxyEvent.java
Merge pull request #2 from GUIpsp/patch-2

Make travis check the license headers too.