fixed controlles
Merge branch 'master' of github.com:addi/tetr.in into gh-pages

* 'master' of github.com:addi/tetr.in:
  fixed controlles
fixed drop speed
Merge branch 'master' of github.com:addi/tetr.in into gh-pages

* 'master' of github.com:addi/tetr.in:
  fixed drop speed