Add an external Vault dependency
Make events cancellable
Add economical listeners
Refactor the dependency loading

Warning! This WILL NOT currently work if compiled.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/main/java/com/Acrobot/ChestShop/Dependencies.java
Update pom.xml
Grammar
Update plugin.yml with new items
Transfer to new economy handling

No bank support... sorry @jrtc27, it's coming later!
Fix possible dupe
Remove obsolete EconomyManager
Automatic code re-format and re-organisation
Fix the issue with Admin Shops
Fix an NPE when Vault was not found
Fix selling of enchanted "normal" items
Fix a possible duplication bug
Register the new listener
Un-deprecate OddItem
Yah. Really, it's been over a year now.
Minor performance improvements