Updated to using UUIDs.

WARNING: This has not yet a converter from an old name table! It creates a new table "csnUUID"!
Moved config.yml and plugin.yml into src folder...
Fixed debug messages (using the built in logger), fixed db table creations missing unread column
Sorted variable declarations, readded unread to query, changed more print messages to debug
Use ChestShops Economy for the right money format
Removed unnecessary config methods. They are implemented in bukkit now.
Added config option to disable logging of the admin shop (default is true)
Some code cleanup
Change some log messages from System.out.print to the plugins logger
Added messages to config.
Fixed that the placeholder in messages didn't get replaced...
Removed a space
Fixed some errors in the bought/sold messages.
Added missing history clear message
Merge pull request #1 from Phoenix616/master

UUID Support, Adminshop Ignore, Message Config