Added auth overlays;
Added Raven.js;
Added some mobile-related meta tags
Added specific I18N for entities explorer app
Set background color to grey
Fixed wrapping text for search menu last searches texts
Implemented right screen mouse detector for openning site menu
Changed hasadna logo
Fixed text for previous search terms prefix
Close sheet selector while searching and re-open when out of search
Added raven js
Merge branch 'develop' of https://github.com/prjts/open-budget into develop