Add SkillParent model into the new models
thing.models.skill: add SkillParents

seriously, it took so long to make it work just to find I need to add
"app_label" into the meta class…
thing.models.__init__.py: Add SkillPlan
Changed migration version for skillparent since 75 and 76 were already used
thing.views.__init__.py: Add skillplan views
Remove original files before merge..
Remove an useless space
thing.views.skillplan: Add Licence header
thing.views.__init__.py: can't figure why that stupid import needs to be at the end to work…