Some things
Add HelpFixer - closes #1003
Fix registering perms for selection commands
Up gradle wrapper version to 2.0
A lot of misc fixes - should close #1006
Merge remote-tracking branch 'origin/develop' into 1710

Conflicts:
	build.gradle
	src/main/java/com/forgeessentials/afterlife/Deathchest.java
	src/main/java/com/forgeessentials/afterlife/InventoryGrave.java