Admins of ctnrs can now edit ctnrs without having to change their current ctnr
Refactor suggested by @zeeman
automatically select columns in tablefy
explicit import of cached_property
Merge pull request #456 from murrown/optimize_tablefy

Automatically select columns in tablefy. All tests pass. Fully functional. Merging.
Pep8 formatting
Merge branch 'Ctnr_Detail_View_Perms' of https://github.com/church29/cyder into church29-Ctnr_Detail_View_Perms

Conflicts:
	cyder/core/ctnr/views.py
Merge branch 'church29-Ctnr_Detail_View_Perms'
get_update_url wants an instance
Merge pull request #464 from murrown/fix_tablefy_permissions

Fix tablefy update/delete column. Fully functional, all tests pass. Merging.