Added War and protection:
- The war is pretty basic at the moment, it lets warriors perform certain actions in rival lands. (Give more feedback here)
- Command /clan land allow/deny for choosing what actions clan members can do in their lands (land sharing feature)
- Supports GriefPrevention and WorldGuard (and plugins depending on WorldGuard)
- Server owners can choose what actions are allowed in wars (inside lands)
- Added expiration time (in minutes) for wars (0 to disable)
- Added events WarStartEvent and WarEndEvent
- All of these can be disabled

Added clan color placeholder ( #130)
Refactored flags
Fixed invitation message being sent even after invited created clan
Probably fixed exception thrown when two players modify the same part of the Clan via GUI
Fixed inverted bypass permission
Fixed allowDeposit and allowWithdraw not saving to db #125