add travis conf (testing)
add phpunit launcher
implement new filter strategy : Mongo\DataAccess
fix WorkflowDataAccess
fixes collection generic implementations
Use Factories; Fix depandancies
more conversion to new filter system
Implements new Filters for FO rendering
improve migration
fix some glitches
fixes some other glitches
Merge branch 'master' into mongofilters

Conflicts:
	public/composer.json
fixes init filter for taxonomy and Workspaces
fixes date querie with int when DB stores them as string
fixes divide by zero when no columns number is set
Fixes filters
Fixes more bugs with new Filters
update Filter strategy : only default Filter are set directly to
DataAccess
fixes minor problems in PHP declarations
Fixes double / in xhr-get-page-url