elfinder, cut static, add request to form_generator
fix for new sacrud
add i18n for group of form
fix elfinder widget
Merge branch 'develop' of https://github.com/ITCase/sacrud_deform into develop
fix exception
popup fix
add m2m field
add i18n for title of rows
rename WidgetM2M to WidgetRelationship
divided code
add common to doc api
small things
merge
Now m2m and m2o support multi pk
Merge branch 'develop' of github.com:ITCase/sacrud_deform into develop

Conflicts:
	sacrud_deform/__init__.py
fix fk
fix form with fk w/o obj
Fix trouble with ForeignKey in NoneType
Update .travis.yml