Add and remove boostra squashed commit

To reduce branch size as bootstrap is huge

add default bootstrap theme
does not import code in bootstrap
remove bootstrap
recompile css
fix cell type selector css
Fix project path url in dashbord

Use Bootstrap breadcrumbs for later navigation purpouse
slight typography changes
clean css.

remove some Ui-widget where unnecessary,

Don't show toolbar on media-print
regenerate minified css
use varaible for background color
fix css toolbar
regenerate css
use bootstrap as component with bower
remove codemirror as it picked the folder not the git repo
remove trailing whitespace
fix a few css rules

especially since the introduction of celltoolbar
add less.js in component.json
use less as a component
change to  cluster list

fix css and make engine input of type number
min and default for engine number
fix body overflow on dashboard
fix stdr background