Fix to stripchart display

Fixed the stripchart in the total power display.  Helps if the scope is
actually set to “stripchart”.  Fixes issue #10
Tweak to filter

Made adjustments to the filter.  Adjusted transition width and filter
bandwidth.  Also fixed stripchart which fixes Issue #10.
Removed code not needed

Cleaned out a lot of dead code
Fix to dialog boxes

Fix for dialog boxes not showing the title.  Fixes issue #13.  Not an
ideal fix, but the best I can do with the limitations Matlab put on
inputdlg command.