v0.5.1 control socket behavior improvements
Merge branch 'master' of github.com:danrl/ratools
Target ` instdir' was incompatible with generic appending of *.o files
to gcc command line

gcc <flags> -o ../bin/rad
instdir library.o <foo.o>...> rad.o
gcc: error: instdir: No such file or directory
Added copyright notice to version output