Fixing text highlight css

By setting anything to ::selection in the css it resets all selection styling. Meaning highlighted text does not show any indication of highlighting. 

I have added in the selection color and background so text appears highlighted when selected.
Merge pull request #51 from 3Dgoo/feature/highlight-styling-fix

Fixing text highlight css
Bug with Search Entities - removing from form. Removed calls to page entity, there is none when in search controller action