Fixes: Added stub makestep for cmake.

Details:  Also add copyright headers and some initial code for the
CMakeStep and MakeStep. Soon it will actially build something.

src/plugins/cmakeprojectmanager/cmakeprojectconstants.h

@@ -40,6 +40,7 @@ namespace Constants {
 const char * const PROJECTCONTEXT = "CMakeProject.ProjectContext";
 const char * const CMAKEMIMETYPE  = "text/x-cmake"; // TOOD check that this is correct
 const char * const CMAKESTEP      = "CMakeProjectManager.CMakeStep";
+const char * const MAKESTEP       = "CMakeProjectManager.MakeStep";
 
 
 } // namespace Constants