Creation of a new package for texstudio, an editor for LaTeX documents
Add the necessary preConfigure so that TeXstudio compile (find poppler-qt4.h)
Cleaning up the description and fixing qt to qt4
Adding myself as maintainer of texstudio
Add expression for the Haskell posix-paths library
Merge pull request #2457 from jwiegley/posix-paths

Add expression for the Haskell posix-paths library
ledger-2.6.3: rename the derivation to "ledger2" to allow installing
this version instead of ledger 3.x (which doesn't support reading
GNUCash files)

Discussed in <https://github.com/NixOS/nixpkgs/pull/2305>.
ledger-3.0.nix: cosmetic fix of syntax highlighting in Emacs
Merge pull request #2357 from Chaddai/texstudio

Texstudio : advanced editor for LaTeX
libreoffice: fix build after mesa update

This is because it uses vanilla pkgconfig,
so it needs Reqires.private deps from mesa during configuration.
postgresql: Update to latest versions
add zeromq4 and zeromq4-haskell
Merge pull request #2463 from triplepoint217/master

add zeromq4 and zeromq4-haskell
systemd: Look for fsck.* in the right place

Fixes #2464.
haskell-hspec: the limitation on QuickCheck 2.7 has been lifted recently
haskell-groom: add version 0.1.2
haskell-spoon: add version 0.3.1
haskell-sloane: update to version 1.7.1
haskell-Elm: update to version 0.12.1.3
haskell-blaze-html: update to version 0.7.0.2