Fix multiple calls to bc-provisioner-json.rb

Up until now, bc-provisioner-json.rb was keeping leading and trailing
newlines, which was resulting in empty lines when calling
bc-provisioner-json.rb. The issue is that empty lines break crowbar in
interesting ways. We'll fix that too, but at least, we can already make
sure to not cause that bug.
Fix typo.

Fix typo.
Add a JSON for an isolated nova-fixed network.
Sort pull requests just by created time.
Merge pull request #1854 from VictorLowther/pull-req-master-528544fd774dfe3ac331143430a2d38dea940193

Just sort pull requests by creation time in ./dev pull-requests list [1/1]
install-chef-suse: Fix updating machine-install password in crowbar.json

The sed regexp was breaking if there were spaces before :.
Merge pull request #1853 from vuntz/fix-multiple-bc-provisioner-json.rb

Fix multiple calls to bc-provisioner-json.rb
Merge pull request #1855 from vuntz/install-chef-suse-password

install-chef-suse: Fix updating machine-install password in crowbar.json
change test gem cache to 1.9