Added a (faster) square random location generator

The new Square random location generator is about 3.6 times faster than
the circular one.
You can toggle between the two methods in the global abilities.yml
New messages to help with abilities.yml debugging
Now supports colour in AbilitySet DisplayNames
Merge remote-tracking branch 'origin/master'

Conflicts:
	pom.xml
	src/main/resources/plugin.yml