Added test patterns for functions in BasicMaths.
Corrected github issue 622 (clarified comment for lms_norm_f32).
Added support for q63_t to the test framework.
Added some calibration to remove overhead in the benchmark measurement process.
Reorganized one test to move some initialization code outside of the test.
Reorganized code : Testing and benchmarking code in different folders.
Corrected small bug in framework wehn reading parameter files (wrong
number of parameter combinations).
Added benchmarking code for ComplexMathFunctions and some parts of
FilteringFunctions.
Christophe Favergeon