[Added] Confirmation text to /set commands for SL skills. Mantis #4567
[Added] profanity/char check to /set SL commands.
[Added] skill check to SL/brawler /set commands.

Change-Id: I9b8fbf9ded60a95efb67a1dde2075f5b7c67de8a
Merge "[Added] Confirmation text to /set commands for SL skills. Mantis #4567 [Added] profanity/char check to /set SL commands. [Added] skill check to SL/brawler /set commands." into unstable