some ui stuff
Merge branch 'dev' of https://github.com/sunriseJS/sunriseJS into dev

# By JGerdes
# Via JGerdes
* 'dev' of https://github.com/sunriseJS/sunriseJS:
  tidied up game.gs
  fixed: createComponents always called (even if nonexistent)
  made game.js more compact
  entites can be put in scope through naming them in level file
  fixed: wrong gameUI position
  fixed: shooter game couldn't shoot
  started new game
Merge branch 'dev' of https://github.com/sunriseJS/sunriseJS into dev

# By JGerdes
# Via JGerdes
* 'dev' of https://github.com/sunriseJS/sunriseJS:
  renaming for consistency
  fixed: typos
  fixed: Physics component was required for some collisions even if it shouldn't
  JumpNRun controller: implemented actual jump