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

pull changes from dell
initial rhel support
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
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