exclude deprecated metrics/dimensions prior to adding to concepts map
identify percent GA metrics as measurement_type: 'percent'
added support for profile_id in GA store config. w00t! needed to bang
this out to explore www.squarespace.com GA data
[backend-ga] added optional "view" store option for view/profile; create default category from property/view names; get timezone from the profile
[backend-ga] added default_start_date and default_end_date config options; use default dates if no date drill down is specified; use timezone from GA profile; changed default start date to 2005,1,1
[backend-ga] When no drilldown, results should have summary: object, not a single cells: entry
Merge branch 'master' of ssh://stash.nyc.squarespace.net:7999/data/cubes

Conflicts:
	cubes/backends/ga/store.py
[backend-slicer] Get "features" from the server, store them in Cube.browser_options. Retrieve them in the browser and adjust them according to the Browser's features.
[backend-mixpanel] Allow cube to specify allowed actions through browser_options.actions = [...]
[backend-mongo2] Allow cube to specify allowed actions through browser_options.actions = [...]
[backend-ga] Create cubes by "group" instead of GA internal cubes; add all dims to cube (no restrictions yet)
Added 'category' to Dimension
Added documentation of card/role
[backend-ga] Add dimension category for Visualizer from GA dimension group
Added preliminary tests for new Namespace object
Added Namespace object and new import_model() method; import model from [store] sections
Test namespaces for cube lists
"Namespaces are one honking great idea -- let's do more of those!" (model-local dims are tiny bit broken, but that will be fixed eventually)