Merge pull request #4 from MirantisDellCrowbar/bug/pfs/pebbles/master

Bug/pfs/pebbles/master
Merge pull request #5 from crowbar/release/pebbles/master

Release/pebbles/master
Merge pull request #6 from crowbar/release/pebbles/master

pull changes from dell
the previous version was proken for a lot of reasons and since we have template to run tests properly at any environment lets use it
should use xunit to be able to parse output by UI
perform clean up after each run
Adding new feature: All items left after tempest run and cleanup procedure are listed and this list will be saved to file
all custom output should be sent into stderr
return proper exit code
Merge pull request #34 from MirantisDellCrowbar/bug/dashboard/pebbles/master

UI wich running tempest is broken
Update tempest_smoketest.sh.erb

Minor formatting improvement
Merge pull request #35 from MirantisDellCrowbar/feature/cleanup/pebbles/master

cleanup