Recompiled examples with new backends.
Added description on top of test/*.cpp
Renamed CollOfScalar -> CudaArray and using "typedef CudaArray CollOfScalar"
New CollOfScalar class called CollOfScalarSoon. With conceptual + operator.
CollOfScalarSoon now is called CollOfScalar. Contains all neccessary operators as friends.
Operators for CollOfScalar now calls the operators in CudaArray, and can be extended to AD
CollOfVector contains a cudaArray instead of a CollOfScalar
Merge branch 'master' of https://github.com/sintefmath/equelle