Upgraded to osg 3.4 and condor 8.6 at all three sites

Removed the old `default` queues from our pandaqueues that were causing SAM tests to fail.

UC:

• Worker nodes rebuilt as sl7 and added to the mwt2 sl7 panda queues
• Ongoing issues with our analysis queues specifically at uc post-upgrade, investigating
• 10G switch stack began having issues Tuesday morning, needed to be rebooted

IU:

• New student worker hired to help out with hardware issues

UIUC:

• GPFS client upgraded during monthly PM