update sass-bootstrap to 3.2 and fix name
Merge branch 'master' into next
new bootstrap-sass bower package name
remove bolt theme and reset/clean city template
at least for now remove navbar from city layout, keep footer
update links to bootstrap components with new package name
add Lato and Open Sans fonts form Google CDN
remove css leftovers
add city page header (incomplete)
fix broken watch task
Merge branch 'master' into next

Conflicts:
	front/styles-city/boot.scss
	front/templates/city/layout/city.jade
change order of scss file import

on sass files override, the modification will be reflected only
in the usage after overriding. see: http://stackoverflow.com/questions/11773583/can-i-override-sass-variables-after-they-have-been-imported
add font and color sass variables
temporary comment out header and footer on the city layout file
add navbar styles
improve city page style

todo: decouple navbar in city layout
and remove nesting!
change to absolute path on css resources
add social icons on city page
add main city calender header markup and styling
add social icons in png format
add open sans semibold font (google cdn)