Merge branch 'vm/jessie' + prepare for "release"

* vm/jessie:
  fix up using of NEURODEBIAN_UPDATE + updated changelog
  various tune ups for jessie VM
  removed incorrectly prefixed comment, use adwaita icon theme
  minor tune up
  initial changes for jessie VM
  initial scripts for jessie VM setup based on copy for wheezy

Conflicts:
	debian/changelog