libcec: 2.1.4 -> 2.2.0
add kodi 14.0 (renamed from xbmc, new release)
attic: fetchurl -> fetchzip

fetchzip calculates the hash of the extracted archive, so that
(irrelevant) changes done to the dynamically generated archive doesn't
cause our hash to be outdated.
nixos/synergy: Fix use of the "optional" function.

Commit 939edb1 reintroduced autoStart, but instead of creating a list of
units for the wantedBy list with optional it became a list of lists of
units.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>