Update multiple backend configuration in tempest script

Currently when we configure the tempest with multiple LVM
backends the backend names are created as LVM_iSCSI and
LVM_iSCSI_2 which fails since the backends created by cinder
are lvmdriver-1 and lvmdriver-2.

This patch updates the backend names. Added support for
CINDER_ENABLED_BACKENDS and added todo to remove
CINDER_MULTI_LVM_BACKEND once its formally removed

Closes-Bug:#1369946
Closes-Bug:#1369942

Change-Id: If44f5eb206616afb0fbaf333f3fa6a296d4650cd
Convert all HTML doc to RST

The motivation for this conversion is to have DevStack's docs be
generated using a more familair workflow for OpenStack projects, using
Sphinx.

Changing from raw HTML to RST will also make it easier to contribute
more documentation, as well as making edits less of a hassle.

The majority of the work was done by using Pandoc to convert from HTML
to RST, with minor edits to the output to remove errors in Sphinx.

Change-Id: I9636017965aeade37b950ddf5bdb0c22ab9004bd
Merge "Update multiple backend configuration in tempest script"
Move to download.fedoraproject.org

download.fedoraproject.org is the mirror system, while
dl.fedoraproject.org is just one system. We have seen performance issues
with dl.fedoraproject.org and using download.fedoraproject.org was a
recommended as a solution by the folks at #fedora-admin.

Local testing on a rackspace server with dl.fedoraproject.org got about
70K/s while download.fedoraproject.org got over 1M/s

Move over to https as well.

Related-Bug: #1383928
Change-Id: I318d8844cfcfbc42c1e552e443c6b793d20f321f
Merge "Convert all HTML doc to RST"