using only <px4_getopt.h> as include, cleanup related includes
added check that all the option are valid (myoptind >= argc). if there are invalid options on some script that might now lead not to run commands
These functions used vprintf which is not available on all platforms.
They also do not enable line and file debug output.
Changed to macros that preserve the output format. Uses new macro that
can be used to implement per object, runtime selectable logging
Signed-off-by: Mark Charlebois <charlebm@gmail.com>