Added staff command

'/mcbans staff verify' to send the same message as sent on join.
More safety
Add sendDetailPrevBansOnJoin configuration, Update configuration
version. Auto regenerate config.yml on update.
Cleanup
Merge pull request #63 from guyag/patch-3

Added staff command
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/com/mcbans/firestar/mcbans/ConfigurationManager.java
	src/com/mcbans/firestar/mcbans/bukkitListeners/PlayerListener.java