refactored api tests
convering lib to robottelo
Adding dependencies for seleniumfactory and a nose plugin for xunit
testing on multiple processes. Removing saucelabs info from
robottelo.properties.sample since this is managed in jenkins now.
removing some unecessary code from baseui.py now that saucelabs
connection and reporting is being handled in jenkins and nose plugins.
PEP8 cleaning
PEP8 alphabetizing and newline
PEP8 newline
UI: OS CRUD fn and tests
implemented suggestions in comments, mostly pep8
alphabeticaly organize imports in api/os
import before from import
removing line
resolved conflicts
Merge pull request #214 from blrm/saucestuff

Core SauceOnDemand functionality
set the default value to None for os_name
Update README file

* Add a section about how to run tests with Python Nose module
* Add a section about hot to run tests with Python's unittest module
review comments incorporated
Merge pull request #217 from elyezer/master

Update README file
last pep8 fixes © omaciel
lowercasing test_ files
Merge pull request #208 from AdamSaleh/api-requests

Refactored api tests