Replaced EUTelSimpleSparsePixel with EUTelGenericSparsePixel
Fixes for Simple to Generic merge
SimpleSparsePixel impl fixed
Fixed EUTelTrackerDataInterfacerImpl
Fixed renaming
Merge pull request #64 from tbisanz/pixelReplace2

Replaced EUTelSimpleSparsePixel with EUTelGenericSparsePixel