Renamed properties file and added validation.

I have renamed the properties file to robottelo.properties.sample. If
you try to run the tests without creating your own
robottelo.properties file you'll get a warning and the code will exit out.
Merge pull request #77 from omaciel/fixpropertiesfile

Renamed properties file and added validation.
Trying to fix my badly merge from @cswiii.
Make sure that our workaround for finding newly created users doesn't get hung up on pagination.
Adds a property to set whether the tests are remote or local
Adding new property to the sample file
Cleaning up an if statement
Merge pull request #81 from blrm/master

Adds a remote flag to properties file
Merge pull request #79 from omaciel/fixusertests

Trying to fix my badly merge from @cswiii.
Merge remote-tracking branch 'upstream/master' into fix-issues1

Conflicts:
	tests/cli/test_User.py
Removed unnecessary changes