Add files for Filter unit tests
Merge: Get new project structure from master
Add AccesToDummyException
Implement Filter
Implement TimeshiftFilter
impl filter added + removed op
removed filterlistoperations (compleatly) + impl filterparamchangeop
changed operationList to be singelton
implemented filtercontroller except insertFilter(..) TODO: find out what id is
Added setVideo method to filtercontroller
scaled histogramm diff
corrected off by 1 error in scaling
removed NotImplementedException from FilterController
Merged HistogramHooker to get GPUHelper implementation
Add convenience methods to GPUHelper
Make Surface to Frame constructor public
Implement GreyscaleFilter
Add code for  BlurFilter
Add missing shader files
Add FileNotFoundException