Disable logging in sudo for quantum-rootwrap

Quantum agent's calls quantum-rootwrap very frequently which. This patch
disables logging of sudo calls.
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]
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