ffmpeg-jjk: upgrade to 2.2.4
Import devtools from ABS
devtools-jjk: Add patch for --private-network
harfbuzz-jjk: upgrade to 0.9.29
nginx-jjk: Add man page
mesa-jjk: upgrade to 10.2.2
php-jjk: upgrade to 5.5.14

Also removes a couple options that shouldn't have been there, and made building
in a (clean) chroot fail.

Similarly, adds some makedepends because makepkg doesn't actually look at
depends of split packages (i.e. in package_PKG functions) when installing
missing deps.
xf86-video-ati-jjk: upgrade to 7.4.0