Added new tests for cfft.
Improved error handling when not enough memory allocated in testmain.cpp
Corrected arm_math.h (replaced inline by preprocessor definition).
Added example debug script to read pattern and output of tests using
scipy.
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