Merge pull request #18 from hadronproject/master

libpng1.5 update and @arch fixes in some packages
Merge pull request #19 from hadronproject/master

libusb removed, we use libusbx
Merge pull request #22 from hadronproject/master

cairo and libpng fixes from seqizz
Merge pull request #23 from hadronproject/master

seqizz's unnecessary commits