README.txt updated; all Copyright notes updated to 2019
target makefiles modified to get rid of absolute paths
Target/Makefile enhanced to be more generic
Moved the Taget/Demo/XXX/ folders to Target/Modules/.The module folders were further renamed to contain the module revision (e.g. DiWheelDrive_1-1).
Incremented the year in all according files to 2018.
Introduced a Makefile in the Target/ folder for more convenient building and flashing of target code.