fix bugs and database issues
setup database unit tests
some unit tests for database
add 12 unit tests
imporve filter
add commentAudio table with three unit tests
some changes
Merge branch 'dev' of https://github.com/StickMen/KungFuRhino into backend

Conflicts:
	YouDeliberate.Tests/Controllers/DatabaseTest.cs
	YouDeliberate.Tests/Controllers/HomeControllerTest.cs
	YouDeliberate.Tests/YouDeliberate.Tests.csproj
	YouDeliberate/App_Data/YouDeliberate.Models.ydDataBase.mdf
	YouDeliberate/App_Data/YouDeliberate.Models.ydDataBase_log.ldf
	YouDeliberate/Controllers/FunctionalController.cs
	YouDeliberate/Controllers/HomeController.cs
	YouDeliberate/Models/Helpers/MediatorSorting.cs
	YouDeliberate/Models/L_Narrative.cs
	YouDeliberate/Scripts/_references.js
	YouDeliberate/YouDeliberate.csproj
Fix to DirectoryAlready Exists