Change condor_ping to test the WRITE operation since that's what
condor_submit uses
Added exception handling around job submission
Correctly return non-zero when trace does not succeed
Respect user's wishes if they set SEC_CLIENT_AUTHENTICATION_METHODS with an
environmental variable.
Add timestamp to exception handling and improve the wording to exception messages
Merge pull request #48 from brianhlin/master

Various fixes to htcondor ce tools