Added README.md to Documentation/Additions folder to explain its usage
Added debug- and error-handling defines
Nios changes:
-finished error handling in tasks and ISRs
-changed IPC between UserInputTask and switches ISR to message queue because mailbox not needed
Added first implementation for heartbeat-task
Merge branch 'master' of github.com:gismo141/Stepper-Motor-Control

Conflicts:
	RTX_C_Source/INC/userInputTask.h
	RTX_C_Source/SRC/userInputTask.c
Formated C-Sources
Changed DEBUG_ON_FLAG to DEBUG_ON_EVENT
Renamed TURN_LEFT and TURN_RIGHT
Nios:
-moved all flaggroups to main.c and added creating them
-added access functions for led9 and hex0 .. hex3
Corrected events-problem and improved heartbeat-task
Merge branch 'master' of github.com:gismo141/Stepper-Motor-Control

Conflicts:
	RTX_C_Source/SRC/userInputTask.c
Nios:
added hardwareTest() in main which tests HEX,LED9 access
Merge branch 'master' of https://github.com/gismo141/Stepper-Motor-Control
Added defines for HEX-segments
Added hardware-access to heartbeat state machine.
Added declaration and documentation for sub-functions.
today´s practical work
added history and change some minor parts to continue with work
NIOS:
-fixed bug for switchesIRQhandler called endless
handing in missed file
corrected formatting