Update mdds
Libreoffice update: not succesful yet
Do not create unneeded local-scope packages; disable a failing test

The test in question tries to fit a table into one page; I cannot find
what dependency update is needed to fix it and there are a few
depedendencies better updated on x-updates.
Merge pull request #3118 from NixOS/libreoffice-update-4.2.5

Libreoffice update 4.2.5