haskellPackages.webRoutesBoomerang: new expression
clang: Build with gcc 4.7 for better libstdc++.
all-packages: Add a self-hosted variant of clang.
clang: Do not try to build clang-tblgen in LLVM's build path.
libcxx: Update to 190100 and build with libc++abi.
clang-wrapper: Guard against LD_LIBRARY_PATH.
clang-wrapper: Optionally use libc++ instead of libstdc++.
systemd: Change services.logind.extraConfig type to types.lines
systemd: Add systemd.extraConfig option for /etc/systemd/system.conf
xfce: enable tumbler the thumbnail manager (close #1206)
nanomsg: new package

Socket library built in C but provides bindings in many languages.
Highly efficient and easy to use.

[@bjornfor: whitespace fixes, quote shell variables and add meta.platforms]
nvidia: Update to version 331.20

We no longer need the patches applied for the previous version so they
are removed.
Date::Manip: Update to 6.41
gnucash: Enable support for Finance::Quote
wine: (stable) bugfix update 1.6 -> 1.6.1

Tested on a couple of apps.
qmmp: add meta.respositories

This metadata is used by the tool @phreedom is writing to automatically
find package updates.
newsbeuter: add dev expression
json-c: add meta.platforms and break overlong line
Adding BadVPN network (mostly BPN) tools
calibre: upgrade 1.8.0 -> 1.11.0