Lists now order by ip's by integer value
Ranges, do not overlap, don't need to sort by end_str
Vrfs and Workgroups are no longer required for dynamic interfaces
select_related tablefy fields
tablefy sorting works with info column at left
better organization for ctnr dropdown
fix user profile error
efficient ctnr select in cyuser view
fix broken row_append for lost users
speed up the admin view
Merge pull request #246 from church29/DynamicInterface_VRF_Workgroup_Blank

Vrfs and Workgroups are no longer required for dynamic interfaces
Refactored user detail view to use cy_detail
Merge pull request #233 from church29/Order_By_IP

Order by Ip, all tests pass. Fully functional.
Mac address are no displayed with colons in tables
Merge pull request #259 from murrown/correct_ctnr_sort

Correct ctnr sort
All tests pass, fully functional.
Fixed lower() being called on non str objects
Merge pull request #266 from church29/CtnrSort_Patch

Fixed lower() being called on non str objects
Make ________Interface.system a required field
Eliminate now-redundant validation in clean()
Merge pull request #263 from church29/User_Detail

User Detail View
All tests pass, fully functional.