replace css to sass
Merge branch 'hotfix/css_to_sass'

* hotfix/css_to_sass:
  replace css to sass
rereplace fotorama
replace js to coffe
Merge branch 'hotfix/js_to_coffee'

* hotfix/js_to_coffee:
  replace js to coffe
fix undefined method
add flash_messages
Merge branch 'hotfix/add_bootstrap_flashes' into develop

* hotfix/add_bootstrap_flashes:
  add flash_messages
  fix undefined method
  replace js to coffe
  rereplace fotorama
  replace css to sass