Added a new header of vectorial inline functions for Neon and Helium.
This header is used in the implementation of some functions.
Corrected used of float (float functions rather than double ones).
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.
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