BlockFront: Guns, War & More

- Added new Skill Ranks; dynamically assigned based on skill and objective contribution
- Added Belgian flag calling card
- Added blur effect to background of notifications
- Added in-game Skill Rank UI updates
- Added in-match announcement and friend notification for skill rank-ups
- Added the ability to use your mouse on the in-game player list
- Added the ability to view a player's rank, skill rank and profile from the in-game player list
- Added achievement progress count to achievements UI

- Integrated all UI into new UI framework

- Updated scoreboard to facilitate new skill ranks
- Updated structure of profile container and profile screen
- Updated in-game escape menu to match UI container style

- Fixed first shot causing momentary lag spike due to loading block attributes
- Fixed rare server-side crash caused by bullets entering unloaded chunks