tweak charts style
Merge branch 'master' of github.com:zen-catacomb/server

* 'master' of github.com:zen-catacomb/server:
  polish
  sound bar
  Fix endpoint
  Work
  /stream url
  Humidity curve

Conflicts:
	app/assets/javascripts/main.js
Merge branch 'master' of github.com:zen-catacomb/server

* 'master' of github.com:zen-catacomb/server:
  mock function is back