Merge branch 'issue305_durack1_setup_runtimeDOTcsh'
Remove PyQt refs, rework signals

Based on Charles's feedback, cannot have PyQt imports here. Note that
there is a corresponding branch in the vistrails repo that also needs
to be merged!
Merge remote-tracking branch 'devel/bugfix-579-fix-animate-signals_rebased_2'
Initialize plots from parameters
Hook up USG config parameters
Begin Hoooking up parameters to prov
Parameter fixes
Remove diag
fix getParameterList args
Add xyt plots
Remove spurious basemap update
make getBoundedMap vtk version agnostic
another make getBoundedMap vtk version agnostic
Fix merge
Fix updateInteractionStyle error
Fix xyt axis = None error
Fix persistence parsing
Fix VTK version issue in clip
hook up persistence for state changes
Add hovmuller slicer timelabels