travis ci integration
fix python 3 errors with inconsistant tab/space usage
stick with only 2.6 and 2.7 in testing
modifying tests
Add test status
Merge pull request #1 from kmanalo/master

Merging @kmanalo fix for the exception when status is missing from pbsnodes output.
remove the full path from the pbsnodes command and handle pbsnodes errors better
bad tabs
Merge pull request #4 from rlyon/catch_pbsnodes_errors

Catch pbsnodes errors