Add a Bitdeli badge to README
Merge pull request #2346 from bitdeli-chef/master

Add a Bitdeli Badge to README
Optimize page permissions checking

  * group__users doesn't exist and it wasn't select_related
  * group__user_set is a one to many, we should use prefetch_related
  * has_permission_membership was still running even if has_perm was
    True
Merge pull request #2756 from fusionbox/fix-menu-performance

Optimize page permission checking
add support for language changer for details views of objects
cleanup
missing raise removed
fixed tests
moved the logic to languagechooser
Merge pull request #2893 from digi604/fix-language-chooser

Easier language chooser for i18n detail views
Fixes AttributeError: [some plugin] object has no attribute 'cms_plugin_ptr'
Merge pull request #2895 from mkoistinen/further_fix_for_2868

Fixes AttributeError: [some plugin] object has no attribute 'cms_plugin_ptr'
Applies the same fix as in PR #2895 to the static_placeholders
And fixes typo in #2895
Merge pull request #2896 from mkoistinen/another_fix_for_2868

Applies the same fix as in PR #2895 to the static_placeholders
fix error when publishing static placeholders outside of a CMS page
Merge pull request #2897 from tomds/static_placeholders

Fix error when publishing static placeholders outside of a CMS page
fixes #2286
cleanup
added inherit to api check