Update phaser to 2.0
Update bitmap text to new 2.0 format
Update to new physics arcade engine
Merge branch 'develop' into feature/phaser-2.0

Conflicts:
	src/js/entities/entity.js
	src/js/entities/player.js
	src/js/game.js
	src/js/weapon.js
Lint free
Fix tilemaplayer bug temporarily
Fix enemies not alive problem
Merge branch 'feature/phaser-2.0' into develop
Merge branch 'develop' of https://github.com/werme/DATX02 into develop

Conflicts:
	src/js/game.js
Refactor weapon, remove its position and bug-fixes in game
Remove unused prints
Make every instance of weapon keep its own bullet group
Add new folder for weapons
Add subclass to weapon, making every specific instance of weapon keep track of the bullet group
Allow double quote marks
Auto indent
Merge branch 'develop' into feature/state-switching

Conflicts:
	src/js/game.js
Center menu bitmap text
Clean stage between rounds
Store all displayables in wrapper group for easier handling