Merge pull request #606 from bcostm/master

CMSIS: NUCLEO_F401RE - Update STM32Cube driver
Merge pull request #607 from bcostm/master

Tools: NUCLEO_F401RE - IAR exporter addition
Host test plugins: Bug-fix, notification about already loaded plugin was printed always in plugin registration
Host test plugins: Removed unused / not stable plugins static registration
Host test plugins: rearranged singletest.py script parameters list so now for option -c and -r (copy method and reset method respectively) we will see plugin related options also - changed dynamicaly with plugin loads
Merge pull request #608 from bcostm/master

Tools: NUCLEO_L152RE - IAR exporter
[NUCLEO_F302R8] Add IAR exporter