Move javascript side translation to en.yml
Use i18n-js for javascript side translation

https://github.com/fnando/i18n-js
Remove i18n.js
Add i18n-js config and translation files
Set default locale
Scopify I18n.t
Require I18n-js at application.js
Now use I18n-js
Gem updates.
Added rspec to test env.
Use rspec-rails instead of rspec.