Update admin_ui.es.yml

Adding some missing translations
embed sourcepro webfont in asset pipeline
Use mixin

And add eot
use class instead of ID for wrapper
Merge pull request #962 from locomotivecms/sourcepro_webfont

Sourcepro webfont
polish the UI and stick as much as possible with boostrap rules
Merge pull request #960 from luis-luna-aguilar/patch-3

Update admin_ui.es.yml
polish the first locale select box
Merge branch 'sign-in-ui'
equal height columns
update menu cell view
add locales
rename to a more generic filename
recopy all bootstrap variables
base 3 col layout
Merge pull request #966 from locomotivecms/bs3_basic_layout

Bs3 basic layout
change the way the stylesheets are organized + build the tree of pages (no javascripts)
working on the UI of the sidebar
pages tree done at 95%
fix columns equalizer