Basic support for inline form sets
Merge remote-tracking branch 'origin/master' into inline-formsets
Merge remote-tracking branch 'origin/master' into inline-formsets

Conflicts:
	djadmin2/templates/admin2/bootstrap/model_edit_form.html
Implements model save options, issue #110
Adds page title to model create page
Adds model name to AdminModel2Mixin template context.

All views subclassing AdminModel2Mixin will need the model
name in their template context, so moving it to the base
class so child views don't all have to override
get_context_data.
PEP-8 before working on #99
PEP-8 before working on #99
Added immutable admin object per #99
Change to git-flow
Merge pull request #117 from chrislawlor/feature/model-create-page-title

Adds page title to model create page
Merge pull request #115 from chrislawlor/feature/template-context-refactor

Adds model name to AdminModel2Mixin template context.
Adding @chrislawlor to the list of authors.
Add 'title' and 'page_title' template blocks.

Makes template page title styling consistent across all templates.
Fix delete text to match original admin.
bike shedding
rename admin2_urls to admin2_tags
Merge remote-tracking branch 'origin/develop' into rename-templatetag-module
Merge remote-tracking branch 'origin/develop' into inline-formsets
Match master to develop