various additions
removed last bits of denizen
quest format documentation is now copied to the release archive along
with the plugin
changed version to 0.7.2-SNAPSHOT
removed "Quester plugin" parameter from isMet method in Condition class
added new QuestManager constructor
moved display methods from manager classes to Messenger class
quest manager now finally doesn't depend on profile manager
removed accidental dummy profile class
cleaned up quest holder interaction code
languages and elements are now loaded in onLoad()
Rebased master on local branch

Conflicts:
	pom.xml
	src/main/java/me/ragan262/quester/commands/ModificationCommands.java
	src/main/java/me/ragan262/quester/commands/PlayerCommands.java
	src/main/java/me/ragan262/quester/elements/Condition.java
	src/main/java/me/ragan262/quester/elements/Trigger.java
	src/main/java/me/ragan262/quester/listeners/Citizens2Listener.java
	src/main/java/me/ragan262/quester/quests/QuestManager.java