Added manual windowing and convenience features

-Added options to settings.yaml for sensor calibration information
-Added options to settings.yaml for number of headerlines
-Settings file is no longer specific.  The user may specify any settings
file they wish.  The intent is for different settings and calibration
files.
-Added basic manual windowing feature to GUI, the slider in the
process_data window adjust the red and green lines on the graph to set
the window.  The order of location of the lines does not matter, however
conventionally green starts the window and red ends the window.
-Added file name/drop name to the summary output file
-Various tweaks to GUI.