SCRIPTS: fix paintbrush door
CORE: fixed guild vendor prices
CORE: treasure pool will remove non-exclusive items before exclusive items
-minor refactoring in treasure pool methods
Merge pull request #185 from maxtherabbit/master

SCRIPTS: fix paintbrush door
CORE: changed TH calculations: rerolls a maximum of 2 times, extra TH increases chance for rolls to pass
Merge branch 'master' of https://github.com/DarkstarProject/darkstar