Bugfix for previous pull request apt-get update is needed for apt-get to get the right url for software-properties-common software-properties-common is required for apt-add-repository.
Bugfix for previous pull request
apt-get update is needed for apt-get to get the right url for software-properties-common
software-properties-common is required for apt-add-repository.

atgeirr/equelle,atgeirr/equelle,atgeirr/equelle,atgeirr/equelle,babrodtk/equelle,babrodtk/equelle,babrodtk/equelle,babrodtk/equelle,sintefmath/equelle,atgeirr/equelle,sintefmath/equelle,babrodtk/equelle,babrodtk/equelle,sintefmath/equelle,sintefmath/equelle,sintefmath/equelle,sintefmath/equelle,babrodtk/equelle,sintefmath/equelle,sintefmath/equelle,atgeirr/equelle,atgeirr/equelle,atgeirr/equelle