cppo: update from 0.9.4 to 1.0.1
Merge pull request #4719 from vbgl/cppo

cppo: update from 0.9.4 to 1.0.1
prosody: updated to v0.9.6
Merge pull request #4724 from flosse/prosody-update

prosody: updated to v0.9.6
pybfd: new package

A Python interface to the GNU Binary File Descriptor (BFD) library

https://github.com/Groundworkstech/pybfd
rtl-sdr: add "Require: libusb-1.0" to pkg-config file

So that building 3rd party code works out of the box. (E.g. building
dump1090[1] works now).

[1]: https://github.com/antirez/dump1090
ifuse:  new expression