Renamed 'let' and 'bid' templates
they are now named 'lease' and 'auction'.
Added Utils class and cleaned up a bit
Prepared lease template: added TODO placeholders
Adjusted Maven config

Set version correct
Changed scope of dependencies
Added default goal
Added Options class
Removed method isBlockThisSign

The method is not used anymore because of the helper class that connects
Locations and Signs
Added options to signs
Make loading region files more failsafe
Implemented new language system
Fixed loading regions when disabling
Added lease template and others

Added thread-safe schedule method
Added thread-safe access on region lists and the template list
Made times being in seconds, not milliseconds
Fixed a bug, where you could add several regions of different templates
to one WorldGuard region
Added TimeMeasurement class to Utils class