Merge pull request #14 from crowbar/release/pebbles/master

pull changes from dell
initial rhel support
Merged in fix for COOK-990:

https://github.com/opscode-cookbooks/memcached/commit/745418aa6e04ff59f5c1b0d34a23ce2fdbb84a61
a lot of fixes for rhel/centos support
memcached not in list for rhel
xfsprogs required for swift
python-dns pkg is required
lets try to use uwsgi from gem
a lot of fixes for rhel/centos support
few typos
a lot of ugly fixes for rhel/centos
typo
why we should start deamon at each run?
fix for smoketest
Merge pull request #121 from cdearborn/pull-req-release-pebbles-master-0a2d343d5a3fdb6cb5f0ee49feb6270348a6afe7

Reenable running nova_dashboard and swift on same node [1/3]
proxy should be restarted only in case of native fr-end
Merge pull request #120 from MirantisDellCrowbar/feature/DCB-149/pebbles/master

https://github.com/crowbar/barclamp-swift/pull/120

Merged by devtool for rajinir
Add config value for replication interval
Add migration for replication_interval