pbs: refactored, use template for push_raw, quote with shlex for security
pbs: preliminary support for transaction-id
pbs: repeat pull loop until succeeded
resiliency: publish all feed URLs
slaprunner: don't backup sockets
rdiff-backup: leave 1.0.5 as default, override for resilient stack
added --fix-corrupted argument to pull_raw
kvm, slaprunner: use toolbox 0.40.4 and rdiff-backup 1.3.4nxd2
kvm: converted templates to jinja2; pin Jinaj2 to 2.6
develop to test rdiff-wip branch