Core/Command: Optimized .pinfo more

* Moved some checks around
* Added RBAC Permission for Email, last login and last ip (group 3 and 4) -- If missing RBAC permission, then it displays "Unauthorized (RBAC)"
* Changed totalmail output from uint64 to uint32
* Level either puts Max level, or a list of information necessary
* Only queries guild if the current xp query also detects guild membership
* Incorporated recent changes into code
* Commander requires higher than target to get sensitive data beside RBAC permission.
DB/Conditions: Add gossip option conditions for Warrior trainers.
DB/Conditions: Add option conditions for Druid trainers.
DB/Conditions: Replace condition accidently removed.
DB/Conditions: Add option conditions for Hunter trainers.
Merge pull request #9854 from Ascathor/master

Core/Command: Optimized .pinfo more
DB/Conditions: Add option conditions for Rogue trainers.
DB/Conditions: Add option conditions for Priest trainers.
DB/Conditions: Add option conditions for Shaman trainers.
Update 2013_05_26_00_world_trinity_string.sql

Remove BOM
Merge pull request #9934 from LeGuybrush/RemoveBOM

Update 2013_05_26_00_world_trinity_string.sql
Update README