Ranker Beta 1.2.3

Changes to fix incompatibility issues with PEX permission plugin, should
work with all other permission plugin.
added /ranker general.chat <true|false>
added /ranker general.debug <true|false>
removed /ranker save, enhanced /ranker save-all
fixed minor bug, money <= 0 now passes for money=0
removed permissions ranker.chat
removed permissions ranker.debug
removed permissions ranker.save.self
fixed minor bug with ranker chat, now realtime.