Removing extraneous Swift information from Features
Removing extraneous Swift information from Features

Changes
* removing repeated information from Features page for Swift integration
* refactoring features.rst to 80 columns

Change-Id: Ib37e4476258cc4547d4a27847c89a9611bff05bc
Closes-Bug: #1376309
(cherry picked from commit eb529ca4f2dd153d494c4e02dd302998b3d6f43b)

openstack/sahara,esikachev/scenario,matips/iosr-2015,esikachev/sahara-backup,xme1226/sahara,esikachev/sahara-backup,citrix-openstack-build/sahara,redhat-openstack/sahara,matips/iosr-2015,henaras/sahara,ekasitk/sahara,henaras/sahara,keedio/sahara,tellesnobrega/sahara,esikachev/sahara-backup,matips/iosr-2015,esikachev/scenario,citrix-openstack-build/sahara,ekasitk/sahara,bigfootproject/sahara,zhujzhuo/Sahara,citrix-openstack-build/sahara,egafford/sahara,bigfootproject/sahara,keedio/sahara,crobby/sahara,redhat-openstack/sahara,redhat-openstack/sahara,zhujzhuo/Sahara,zhujzhuo/Sahara,mapr/sahara,esikachev/scenario,zhangjunli177/sahara,xme1226/sahara,zhangjunli177/sahara,keedio/sahara,zhangjunli177/sahara,ekasitk/sahara,tellesnobrega/sahara,henaras/sahara,xme1226/sahara,openstack/sahara,mapr/sahara,crobby/sahara,egafford/sahara,bigfootproject/sahara,crobby/sahara,mapr/sahara