Started to fill the doxygen
Added some typedefs in the node header and functions in the subscriber and service header
Changed depth of indentation
Finished header, added empty functions in c classes, added comments
started the simple skeleton of the urtware
updated all file headers to 2019
introduced some fundamental files:- urt_types.h defines several fundamental types of µRtWare- urtware.h is the main header to be included when using µRtWare- urt_confcheck.h is a helper to check the µRtWare configuration
Initial documentation of the µRtWare project.