Attach placeholder to model if no placeholder found on model on existing instances
Strip model front end editor arguments
Add name in tooltip for frontend-enabled models
Test views cleanup
Add tests for invalid MFE arguments
Handle invalid MFE arguments
Merge pull request #2333 from yakky/feature/fix_2250

Attach placeholder to model if no placeholder found
Document adding PlaceholderField to an existing model
Merge pull request #2319 from FinalAngel/develop

More frontend fixes
Merge pull request #2334 from yakky/feature/add_docs_2250

Document adding PlaceholderField to an existing model
Fix whitespaces
Merge pull request #2332 from yakky/feature/frontend_models_enh

Sparse enhancements for MFE