Import argp-standalone from oldpackages, update copyright, and license info

Signed-off-by: Ted Hess <thess@kitschensync.net>
mjpg-streamer: Upgrade to r182, update copyright and license info
    Add options for using libv4l (controls) and installing additional plugins
    Download and use latest cambozola.jar if Web UI selected

Signed-off-by: Ted Hess <thess@kitschensync.net>
libv4l: Import from oldpackages, upgrade to 1.2.1, fix build
    Update copyright, license info, add myself as pkg maintainer

Signed-off-by: Ted Hess <thess@kitschensync.net>
Cleanup Makefile edit, add back lost cut-n-paste in init script

Signed-off-by: Ted Hess <thess@kitschensync.net>