moved from EF7 to EF6
Merge branch 'develop' of https://github.com/izzappel/boom into develop

Conflicts:
	Boom/Boom/DbHelper.cs
	Boom/Boom/Startup.cs
	Boom/Boom/project.json
removed unused comments and using statements due to the migration from EF7 to EF6
Merge branch 'develop' of https://github.com/izzappel/boom into develop