Pass old_model_dict through migrator

This is necessary if you need to access some otm1 data to make decisions
Add registrationprofile to migrator
Merge pull request #1685 from steventlamb/topic/migrate_registrationprofile

Topic/migrate registrationprofile
Only generate source maps via grunt-watch if --dev flag is used.
Merge pull request #1686 from kdeloach/topic/grunt-static-dev

Only generate source maps via grunt-watch if --dev flag is used.