mopidy: update to latest version (0.14.2)
add au debian mirror
tk: fix build on darwin
python27: compile with tkinterp on darwin
php53: add imap option
R: add various features

 * Ensure that R can link blas, liblapack, and libgfortran at run-time.
 * Ensure that R can run the Tcl/Tk interpreter.
 * Add Java support.
 * Install texinfo and PDF documentation.
liblapack: propagate the 'shared' flag to atlas
editres: add version 1.0.6

The tool doesn't seem to work well for me. Not sure whether I'm building
it wrong, maybe?
llvm: fix meta.license attribute
haskell-oeis: update to version 0.3.4
haskell-shelly: update to version 1.3.0.3
fix bad "licence" names

Mostly what I merged from @lovek323.
Such errors can be easily checked by
  nix-env -f . -qa \* --meta --xml --drv-path --show-trace >/dev/null
qemu: Update to 1.5.1
spice-protocol: Update to 0.12.6
spice: Update to 0.12.3
qemu: Merge stuff from qemu-kvm
qemu: Merge qemu-kvm dependencies
qemu: Allow building only the x86 emulator
testRPMImage: Use x86_64 image
newsbeuter: add expression