Updated UI - menu and back links

Made changes to the position and style of the 'back button'.
Changed the 'set value' button to be the back button and changed the
name.
Added some margins to the buttons to make it neater.
Merge branch 'master' of https://github.com/hrellis/DWP

Conflicts:
	Phonegap/www/jobInfo.html
	Phonegap/www/searchFilters.html