[requires.io] dependency update
[requires.io] dependency update
Implement more django 1.7 migration semantic
Recreate migrations with newer django version
Temporary requirements
Fix support for custom user models
Exclude MySQL/PY3/Django1.7 from test matrix
Fix test matrix
switch back to divio repositories for plugins
Update travis file
Fix travis file
Add test for #3338
Deepcopy fields definition in PageAdmin.get_form
PEP-8
Add documentation on Django 1.7 migrations
Promote Django 1.7 environments except MySQL
fix pre_delete_group signal on custom user model
Patch get_models to ensure plugins are properly patched
Different fix for Django 1.7
Merge pull request #3403 from yakky/feature/fix_3338

Reset PageAdmin form initials before each run