kde: Copy 4.12 to 4.14 as a base"
kde: Some tweaks to kde-manifest.sh
- Allow packages with different versions than $release (kde-workspace)
- Extra checks

This is a copy of https://github.com/wmertens/nixpkgs/commit/41faadbcce71226386ebc334bc02070492756f9a
but for 4.14.
kde-4.14: Fix source for module subdirectory packages.
Add non-legacy qt-gstreamer.
Only compile tested (needed by Artikulate in KDE 4.14).
kde-4.14: Initial porting.
Nix evaulation succeeds (but probably not building everything).
kde-4.14: Adjust fixed output hashes.
indilib: Add version 0.9.9.
kde-4.14: Make it all build.
kde: Allow kde_next as a desktop environment

This is the same as
https://github.com/wmertens/nixpkgs/commit/93fda9e353bb9408ea80339f36fa513742d65ddf
qbittorrent: Bump version to 3.1.10.
qbittorrent: Fixup meta data.
nixos/consul: Add module
Added Freewheeling
a live looping instrument for jack with MIDI support
revision r100 from subversion
Fixed line length and added longDescription
keynav: update from 0.20101014.3067 to 0.20110708.0
abiword: update from 2.8.6 to 3.0.0 and adopt it
geeqie: update from 1.1 to 1.2 and adopt it
remove unused library libchamplain-0.6
fixed some meta.maintainers attributes
vlc: Add ffmpeg version 2.3.x for vlc.

Vlc doesn't support libavcodec >= 56 yet, which means it needs an older
version of ffmpeg.

Closes #4286