- Add Nucleo F401RE Support
Update RTX_CM_lib.h

Fix Init SP for STM32F401RE
Increased KLxxZs interrupt handling speed

Instead of checking one bit at a time use a simple binary search
algorithm. Speed increase is roughly 250% (bit more for KL46).
Merge pull request #396 from Sissors/master

[KLxxZ] Increased KLxxZs interrupt handling speed
Merge pull request #394 from fritzprix/master

[RTOS] Nucleo F401RE Support
Issues from pyFlakes corrected in the script (removed some unused imports and functions)
Indented using AStyle
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
pyFlakes issues fixed. Simple refactoring
Removed unused 'pass' statement
Added test specification and MUTs configuration pretty print
Added target conflict detection in verbose mode in --config switch