refs #9168 Fixed pascal case noted in other ticket

In #9038 it was noted that there was some pascal case named varables and parameters knocking about, i've renamed those i could find
Refs #9168 transmission runs are now reused if possible

When processing in the gui, the gui will check the last transmission runs used and use the workspace from last time if it can.

The gui will accept workspace and file names for transmission runs.

Some instances of print have been changed to logger.debug
Merge remote-tracking branch 'origin/feature/9168_Refl_Transmission_Run_Enhance'