Branches for Stretch

Author: Bastian Blank
Revision Date: 2015-09-05 17:14:48 UTC

* Re-organize architecture detection, remove unset version.
* Reduce use of global variables.
* Redo config suite reading:
  - Make it possible to specify origin and get default mirror and keyring
    accordingly from the config.
  - Always read config depending on information from Release file.
  - Add fallback to generic. (closes: #783672)
  - Empty default suite selection. (closes: #647181)
* Remove ubuntu-specific config suite.
* Support large deb packages, again. (closes: #756419)