added r.js lib
Ticket #2976
Ticket #3004 cleanup filters selection model
wip
Merge branch 'dev'

Conflicts:
	sdk/widgets/squid_api_filters_widget.js
Ticket #3004 cleanup
new addSelection function
Merge pull request #11 from olivier-squid/master

M10
fixed addSelection
Merge pull request #12 from olivier-squid/master

fixed addSelection
applySelection for filters (part 1)
recompute the filters when selected
implemented apply/cancel strategy for filters
Merge pull request #13 from olivier-squid/master

M11
added support for boolean facets grouping in filters
Merge pull request #14 from olivier-squid/master

added support for boolean facets grouping in filters
fixed boolean facet selection
sort boolean facets aphabetically
Merge pull request #15 from olivier-squid/master

sorting boolean facets
disabling filters when recomputing selection