backport from mozilla inventory: 3d669a37b9 refactored txt bind formatting
prepending cyder. to imports
moved Meta back up
excluded users from ctnr form
Merge pull request #26 from church29/m2mfix

CtnrViewTests - Cannot set values on m2m field with intermediary model
revert details and eg_metadata for TXT backport
Merge pull request #14 from murrown/master

refactored txt bind formating to handle multiple line txt records