Control: unified C++ compilation/likage flags Makefile variables into control.inc

Unified the Makefile compilation and linkage flags, depending on the active options in 'config.inc', into control/control.inc. This simplifies all the Core and camera plugin Makefiles, as well as its evolution with new Core features.

Updated: Common, Hardware, Control, GLDisplay, Simulator, Espia, Frelon and Maxipix