Added Lassar

Added Lassar, updated a few npcs where shops were inside their
BaseScripts, and updated scripts_npcs.txt
Updated Lassar

Fixed: default message contained information of classes being enabled.
Fixed Lassar

Lassar's chat would close automatically on keyword (Classes and
Training).
Alphabetized RndMsg

Alphabetized RndMsgs in Lassar.
Merge pull request #40 from iAmazed/Lassar

Added Lassar, updated 2 other NPCs