Merge pull request #26 from MirantisDellCrowbar/bug/pfs/pebbles/master

https://github.com/crowbar/barclamp-tempest/pull/26

Merged by devtool for VictorLowther
Sync description to OS one
Give tempest a use_pfs flag, and use it to toggle between using
OS packaged files and pips fetched from the Internet for Tempest.
Merge pull request #27 from VictorLowther/pull-req-release-pebbles-master-8f21319d8693626bd2e77f301f9477dda04f0118

Make Tempest much more amenable to being run without using PFS. [2/2]
Merge pull request #28 from arkadykanevsky/pull-req-release-pebbles-master-b671718679ec72e1f12a8a35bc36e8d102d1772c

Fixing description for OS barclamps [5/8]
Add nova_dashboard as a prereq to Tempest.
Add dependency on python-extras
Do not use PFS or virtualenv by default for Tempest.
Add UI for pull from source.
Merge pull request #29 from VictorLowther/pull-req-release-pebbles-master-c02fcc8ef9477860cd035528df5ec247f1c1d724

Enable Tempest to be deployable without PFS. [1/1]
Merge pull request #5 from crowbar/release/pebbles/master

Release/pebbles/master