Fixes MSP polution on thread HardFault and moves killing of the thread under the "generic" HardFault hanlder.
Moved signal management under its own module
Refactoring dev signaling
Added Naming Conventions documentation
Updated a comment
Renamed a file
Commenting code and applying some minor refactoring
Some test code for automatic killing of threads.

Signed-off-by: Olli Vanhoja <olli.vanhoja@ninjaware.fi>
Merge branch 'dev' of github.com:Ninjaware/zeke
- Fixed build errors
- Removed #include "hal_mcu.h" lines from thscope code and added it to Cortex specific abstraction layer as it is needed only there due to CMSIS

Signed-off-by: Olli Vanhoja <olli.vanhoja@ninjaware.fi>
Documentation improvements.

Signed-off-by: Olli Vanhoja <olli.vanhoja@ninjaware.fi>