nixpkgs-lint: add check for meta.platforms attribute
Update splot to 0.3.11, so it compiles again
beret: Fix build on darwin (close #923)
dbus_tools: fix build on darwin (close #929)
xfce4-power-manager: fix an brightness plugin issue

Close #943.
ginac: fix build on darwin (close #944)
Merge branch 'master' into x-updates
calibre: upgrade to 1.2.0
ghc-mod: Wrap to call ghc-get-packages.sh first
Merge pull request #910 from ocharles/ghc-mod

ghc-mod: Wrap to call ghc-get-packages.sh first
libusb1: bring 1.0.9 back as a separate file
upower: revert libusb1 version to 1.0.9

That workarounds the coldplug problem

$ sudo ./libexec/upowerd -v
TI:18:38:27     Starting upowerd version 0.9.19
...
TI:18:38:27     registering subsystem : usb
TI:18:38:27     failed to coldplug /sys/devices/pci0000:00/0000:00:1c.4/0000:03:00.0/usb1
<upowerd EXITS>
Merge branch 'master' into x-updates