Name display type features and steps [skip ci]
Merge branch 'default-view' into name-display-type
Added name display type.
Merge branch 'default-view' into name-display-type

Conflicts:
	db/structure.sql
	features/admin/admin_edits_community_look_and_feel.feature
Tests for name display type.
Merge branch 'master' into name-display-type

Conflicts:
	app/views/admin/communities/edit_look_and_feel.haml
	features/admin/admin_edits_community_look_and_feel.feature
Add model validation for name display type.
Fix ambigous step.
Change given name and family name to first and last name

and also update texts about name display type selection a bit
fix copys and formulations on admin look and feel page
Fix tests
Merge pull request #355 from sharetribe/name-display-type

Adds name display type selection to community look-and-feel admin-ui.