Included sendmail licence
fixed for functional tests failures.
Changed the proxy to fix the package/migration install testing failure.
support to list files without copyright in fo_copyright_list.
replace dependency upx with upx-ucl for Debian|Ubuntu|LinuxMint from Kevin's patch, upx is too general, thanks kevin.
fixed for issue #7221(get files with/without copyright and with/without specific copyright)
fixed for #6015(Upgrade cp2foss to allow upload from a source repository). it is weird I did not find this defect.
changed test_fo_copyright_list.php because fo_copyright_list is changed to support show files with/without (specific) copyright.
apply patch from Kevin Lo, on some ubuntu distro's, can not ununpack tarball's.