fixup permission plugin listeners.
Fix economy listeners to actually check the plugin in the event rather
than checking for the plugin on the server.
fix chat plugin listeners.
Added rscPermissions support.
fix 'Milk Bucket' selecting 'Bucket' in item searches
require poti at minimum for potions to be found in the itemDB
Merge pull request #461 from SimSonic/master

Another one try to add rscPermissions.
cleanup bad formatting, and incorrect event handling.
fix NPE on startup for rscp
don't use api.getName() here either.
more fixes
Merge remote-tracking branch 'upstream/master'