Get the basics for i18n configured, for spanish & english  [#65136064]

https://www.pivotaltracker.com/story/show/65136064
Extract time_to_complete method for i18n  [#65136064]

https://www.pivotaltracker.com/story/show/65136064
i18n for "Activity"  [#65136064]

https://www.pivotaltracker.com/story/show/65136064
Enable translated versions of buttons and other navigation items in LARA.

[#65136064]

https://www.pivotaltracker.com/story/show/65136064