Fixes incorrectly closed tags that prevented showing the loging page
Removes 2013 from the Loss timeline
Merge branch 'develop' of github.com:Vizzuality/gfw into develop

* 'develop' of github.com:Vizzuality/gfw:
  views: howto: fix email
Adds subtitles to the Loss & Gain layers
Merge pull request #150 from Vizzuality/subtitles

Adds subtitles to the Loss & Gain layers.