Move overrides/ to lib/

Fixes errors where overrides were loaded before
Smoketest Session start.
Update circulation workflow

Fix load of Instance Editor so Instance & Item are
linked appropriately.  Fix is to keep up with workflow
changes in Dev.
Update script with method to dismiss dialog boxes

Dialog boxes are automatically dismissed if present at the beginning
or end of any test workflow.
Restructure Rake find_*_errors output

Output is now in format:
Logfile Line [NN] -- Error in [script] at line [NN]
Fix circulation workflow for unification

Unified OLE interface requires logout at the end of the test script.
Update version -> v3.3.2