Add support for accepting decoy traffic

cfr. https://github.com/globaleaks/GlobaLeaks/issues/263
Merge branch 'master' of github.com:globaleaks/GLBackend

* 'master' of github.com:globaleaks/GLBackend:
  fixed postrm script
  Bump to version 2.23.12.3
  removed some commeands from postinst now overridden by dh_apparmor
  added #DEBHELPER# token to debian preinst script
  added #DEBHELPER# token to debian postinst and postrm scripts

Conflicts:
	globaleaks/__init__.py
Merge pull request #132 from globaleaks/feature/decoy

Add support for accepting decoy traffic
Bump version to v2.23.13
Update spaces
Bump version of GLB
implemented issue https://github.com/globaleaks/GlobaLeaks/issues/319
Merge pull request #133 from globaleaks/issues/319

implemented issue https://github.com/globaleaks/GlobaLeaks/issues/319
Merge branch 'master' into feature/select_all_receivers

Conflicts:
	globaleaks/__init__.py