flesh out profmonitor viewer tool:

  - `pf view` can be used to navigate the ProfMonitor results
  - TDProfileTool>>pfview: is the script API for ProfMonitor viewer tool
  - TDProfileTool>>pfmonitor: can be used from scripts to profile a
    block, then use TDProfileTool>>pfview: to look at results
  - added labels and other goodies to the ProfMonitor viewer tool
nuke TDAbstractBuilderTests and friends ... too brittle and not really that useful ... new approach needed