Guild Configs & Script Commands

* **Config Updates**
  * Changes 'emblem_woe_change' to **disable_change_emblem** & added some options
  * Added **create_guild** to enable/disable guild creation by player.
  * Added **break_guild** to enable/disable break a guild by player.
  * Added **disable_invite** to enable/disable guild invitation by player.
  * Added **disable_expel** to enable/disable guild expulsion by player.
* **Script Command Updates**
  * Added **guild_info** to retrieve specified guild information from a given guild (name or ID)
  * Added **guild_create** to create a new guild. (Ignore *create_guild* config value)
  * Added **guild_addmember** to add new member to a guild. (Ignore *disable_invite* config value)
  * Added **guild_delmember** to remove/kick/expel a guild member from a guild. (Ignore *guild_expel* config value)
  * Added **guild_changegm** to change guild master from a guild.
  * Added **guild_break** to break a guild. Like *@breakguild* or */breakguild*, guild must be empty first. (Ignore *break_guild* config value)

*NOTE, even this will be rejected, the topic is lasting [here](http://rathena.org/board/index.php?showtopic=97728)*

Signed-off-by: Cydh Ramdh <house.bad@gmail.com>
Starting from here code review would be nice if you would have used an enum with significant names for the options instead of directly using the number values.