Disable logging in sudo for quantum-rootwrap

Quantum agent's calls quantum-rootwrap very frequently which. This patch
disables logging of sudo calls.
Fetch metadata_proxy_shared_secret from nova and set it accordingly
Fix guards to not execute commands on every failure
Revert "Quantum not deploying because of quantum-server restart issue."

This reverts commit ffe4760be3a39f52e6af72aee7acfb12310a52ca.
Allow to auto-generate self-signed SSL certificates

The setup is rather simple. Instead of a full-blown CA, a CSR is used to
create the self-signed certificate.
Merge pull request #89 from tpaszkowski/pull-req-disable-sudo-log

Disable logging in sudo for quantum-rootwrap
Merge pull request #93 from vuntz/revert-unneeded

Revert "Quantum not deploying because of quantum-server restart issue."
Merge pull request #95 from saschpe/release/pebbles/master-ssl-gencerts

Allow to auto-generate self-signed SSL certificates
Merge pull request #99 from cdearborn/pull-req-release-pebbles-master-f36595044def1e1cadcd2a24f0aaefe40b5bfbb0

Fix guards to not execute commands on every failure [1/1]
Merge pull request #90 from saschpe/release/pebbles/master-metadata-sharedsecret

Fetch metadata_proxy_shared_secret from nova and set it accordingly
Workaround for unassigned attributes.
Merge pull request #104 from cloudsleuth/pull-req-release-pebbles-master-363650f2789537f6fc2bf2e40a1f80513c5534af

Workarounf unassigned attributes. [1/1]
Merging in fix for DE1404
Merge pull request #105 from cdearborn/pull-req-release-pebbles-master-0f5660c71ea23328d348eef0453ed3c3a1849271

Fixed intermittent quantum deploy failure [1/1]
quantum_metadata_proxy_shared_secret has moved out of network
Make the openvswitch DKMS package load before the openvswitch-switch packages
Add guard code to detect an already-loaded non-DKMS openvswitch module
(if we need one), and unload it if we can.
Only do the DKMS dance on Ubuntu

This is clearly Ubuntu-specific.
Retry after failure of quantum commands in post_install recipe

It seems they sometimes fail, but probably because of a race. We retry
five times, waiting 10 seconds between each retry, in case of failure.
Merge pull request #107 from vuntz/not-in-network

https://github.com/crowbar/barclamp-quantum/pull/107

Merged by devtool for cloudsleuth