Adding Centos 6.5 support
add rubygem-chef-server as dependency for centos-6.5
change order of definition
change order of definition
add rbel repo for centos-6.5
uWSGI version update.
Downgrade simple-navigation gem
Correct version of sass gem
Adding quotes for pip to process pip-package version correctly.
Merge pull request #984 from MirantisDellCrowbar/feature/DCB-245/release/hydrogen/master

Actualization of pips and gems versions.
set strict condition for the Gem package version
Merge pull request #916 from MirantisDellCrowbar/sbubnov/DCB-218/hydrogen/master

Feature: Add support CentOS 6.5 [2/13]
Merge pull request #1014 from MirantisDellCrowbar/fix/stuck/hydrogen/master

restrict bad version of Gem package