Agent expressions added
Birdhero: Tweak water start position
Entry: Adaptive text and possibility to change agent
Agent now supports tinting
Choose colour when choosing agent
PlayerSetup is now AgentSetup
Subgame: this.method always integer
Subgame: Weighted randomisation

We should pick higher numbers more often when applicable.
Bugfixes and code cleanup.
Syncing
NumberButton deleted.
Dynamic amount of buttons. Code optimization.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/js/_language.js
	src/js/backend.js
	src/js/objects/ButtonPanel.js
	src/js/objects/Representations/StrikeRepresentation.js
	src/js/objects/buttons/NumberButton.js
	src/js/player.js
	src/js/states/EntryState.js
	src/js/states/PlayerSetupState.js
	src/js/states/Subgame.js
	src/js/states/subgames/BirdheroGame.js
	src/js/utils.js
Balloon representation. Cleanup.
Cleaned up some pixels in the sprites.
Added Graphic and Audio atlases.
Anchor button and bug fixes.
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/js/_language.js
	src/js/agent/agents/panda.js
	src/js/backend.js
	src/js/objects/ButtonPanel.js
	src/js/objects/GeneralButton.js
	src/js/objects/NumberButton.js
	src/js/objects/Representations/StrikeRepresentation.js
	src/js/objects/TextButton.js
	src/js/objects/buttons/NumberButton.js
	src/js/player.js
	src/js/states/AgentSetupState.js
	src/js/states/EntryState.js
	src/js/states/GardenState.js
	src/js/states/PlayerSetupState.js
	src/js/states/Subgame.js
	src/js/states/subgames/BalloonGame.js
	src/js/states/subgames/BirdheroGame.js
	src/js/utils.js
Removing empty files from my fork.
Merge remote-tracking branch 'upstream/master'