[tutorial] Added mobile images. Closes #100.
[tutorial] Logged off users will not see tutorial. Closes #101.
[header] Added link to /tutorial. Closes #106.
[sidebar] Remove excessive padding in menu. Closes #103.
[sidebar] Removed glyphicon-chevron-right from sublaw link.
[sidebar] Improved title style
Merge branch 'fix-sidebar-empty-space' into development
[homepage] Make law card title a link. Closes #109.
[participants] Removed votable condition to show participants box. Closes #104.
Update es.json with missing translations for login/signup. Fixes #107
Merge branch 'development' of https://github.com/DemocraciaEnRed/demos into development
Changed Twitter message. Closes #110
Merge branch 'development' of github.com:DemocraciaEnRed/demos into development
Merge branches 'improve-tutorial' and 'development' into improve-tutorial
[tutorial] Added skip buttons for last slide and mobile version. Closes #102
[tutorial] Fix skip buttons selector
[tutorial] Fixed some styles
[homepage] Increased min-height on law cards. Closes #112.
Add next button to navigate to the next law on the sidebar
Merge branch 'add/navigation-button' into development

Conflicts:
	lib/proposal-article/article.jade