Update to new ban method.

Reference https://essentials3.atlassian.net/browse/ESS-2690 request.
Update remaining files for new ban system.
Merge remote-tracking branch 'origin/BanTest' into patch-5

Conflicts:
	Essentials/src/com/earth2me/essentials/commands/Commandban.java
	Essentials/src/com/earth2me/essentials/commands/Commandseen.java
	Essentials/src/com/earth2me/essentials/commands/Commandtempban.java
	Essentials/src/com/earth2me/essentials/commands/Commandunban.java
Merge branch 'patch-5' into BanTest