fixed navigation
restructuring workdesk ui
restructuring workdesk ui
added icons
pretty print json for payload
Merge branch 'workbooks_v1' of github.com:hrovira/GeneSpot into workbooks_v1

Conflicts:
	app/scripts/models/workbooks/drive_api.js
	app/scripts/views/workbooks/workbook.js
	app/scripts/views/workbooks/workdesk.js