top: CPU % indication bug fixed

mavlink: use inherited classes instead of callbacks for mavlink messages formatting, fixes and cleanup

mavlink: adding message stream by name implemnted, mavlink streams definitions and formatters moved to mavlink_messages.h/cpp, mavlink_orb_listener class and thread removed

gitignore: ignore pydev project file created in eclipse

Conflicts:
	src/modules/navigator/navigator_main.cpp

Replace single if lines with brackets in astyle

Beta: fw autoland remove virtual waypoint