Merge pull request #109 from regneq/master

removed more leadership abilities and group roles related code.
The expansions a player has available to them is now determined by the account table. sql/git/required/2014_06_17_expansions.sql is REQUIRED.

No rent items will now delete if the player has been offline for 30 minutes or more.

Increased the chance of defense skilling up.

Added a rule to determine the EQ minute for strict spawn_events.

Added a new rule for tradeskill skillups.

Removed more uncessary code.
Merge pull request #31 from cavedude00/master

merge