Add both bootstrap navbars to compare

Also remove the previous navbar
Create NavItem helper to menu links
Experiment with applicants search form
Merge remote-tracking branch 'origin/bootstrapify-navbar' into bootstrapify-navbar
Set background of Add images transparent
Make card style "softer"
Change | for · in page titles
Fixes in MyMenu page titles
Apply new search style to all pages
Make file results "softer"
Fix card border
Use black navbar
Responsive NavBar

Also:

* Fixes in MyMenu active navbar item
* Add CommonJobs brand item
* Quick and dirty fix in responsive navbar margins
Remove inline styles in MyMenu
Remove inline styles
Merge pull request #250 from andresmoschini/bootstrapify

Bootstrapify
Absences bootstrap
Absence cell styles
Add absences link to navbar
Add table-condensed class to absences table