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
Fix frontend order

In line with other recent ordering fixes, apache is the default anyway.
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
Merge pull request #119 from saschpe/release/pebbles/master-default-frontend

Release/pebbles/master default frontend