Completed general settings panel for HFIR. Re #1650

...antid/PythonAPI/scripts/Interface/application_settings.py

...PythonAPI/scripts/Interface/instruments/hfir_interface.py

...onAPI/scripts/Interface/instruments/instrument_factory.py

...d/PythonAPI/scripts/Interface/reduction/hfir_reduction.py

...onAPI/scripts/Interface/reduction/hfir_reduction_steps.py

...ntid/PythonAPI/scripts/Interface/reduction_application.py

...Mantid/PythonAPI/scripts/Interface/ui/hfir_beam_finder.ui

Code/Mantid/PythonAPI/scripts/Interface/ui/hfir_summary.ui

...Mantid/PythonAPI/scripts/Interface/widgets/beam_finder.py

.../Mantid/PythonAPI/scripts/Interface/widgets/instrument.py