Fix the usage of plugins.
Merge branch 'SteamEngine' of github.com:daid/Cura into SteamEngine
Merge pull request #987 from SpexGuy/SteamEngine

Make package.sh work for paths containing spaces
Working armhf build on ODROID-U3 running Ubuntu 14.04.1
avoid TypeError when reading the active io
Merge pull request #988 from rcarmo/debian_armhf

Working armhf build on ODROID-U3 running Ubuntu 14.04.1
Merge pull request #989 from brad/type_error

avoid TypeError when reading the active io
Updated french translation by Jeremie Francois
Set default support to lines, as reports say this is better.
Fix problems with german support selection.
Preheat the bed before heating the nozzles.
Fixed #992
Do not install drivers in silent mode.