Add some javadocs
Merge branch 'master' of github.com:schocco/convention-portal

Conflicts:
	src/main/java/com/is_gr8/convention/SimpleAuthManager.java
	src/main/java/com/is_gr8/convention/WorkshopVerticle.java
	src/main/resources/mod.json
use relative paths in settings
Make sure newly created workshops have an array field for participants.
Fixes #12