Merge pull request #3298 from dimagi/display-group-size

Display number of users in a group
move styling into css
Merge pull request #3292 from dimagi/better-get_questions-inlinegroups

Better styling on Groups and Repeats for readable forms
Merge pull request #3297 from dimagi/printable-form-data

make pages somewhat printable, and specifically form data page
Merge branch 'master' into toggle-readable-raw

Conflicts:
	corehq/apps/reports/templates/reports/form/partials/single_form_tree.html
fix test to go along with new meaning for response=True
always show plan credits
Merge pull request #3299 from dimagi/better-get_questions-outputref

interpolate output refs for readable form view
Merge pull request #3300 from dimagi/plan-credit-fix

always show plan credits
Merge branch 'master' into toggle-readable-raw

Conflicts:
	corehq/apps/reports/formdetails/readable.py
use more semantic styling for form-data-skipped
Merge branch 'vellum-includes' into autostaging
Merge branch 'multimedia-case-properties' into autostaging
Merge remote-tracking branch 'origin/sql-dailyformstats' into autostaging
Merge branch 'pretty-user-display' into autostaging
Merge remote-tracking branch 'origin/report-issue-upload' into autostaging
Merge branch 'toggle-readable-raw' into autostaging
update submodule refs