Add old RAM files to file-open dialog.
Fixed PovRay *.inc file bug.
Automatically add *.vsp extension when saving.
Fix bug where some FEA elements were not getting written to file.
Save CFD Mesh file export options in *.vsp file.
Fixes for glFont2 on 64 bit systems inspired by HeeksCAD fixes.
Use binary representation of GLFont basic_font.

basic_font.h includes an embedded representation of basic_font.glf,
the GLFont used by OpenVSP.

fontMgr previously kept a vector of name/font pairs to allow lookup
of multiple fonts.  This has been simplified to only keep a single
pointer to a font.
Remove font file from distribution.
Change axis labels to use glFont2
Fix problem with parameter linking and design files for propeller.

Parameter linking and design variable functionality did not work for
prop section variables for the current section.  This is because prop
used a copy of these parameters to communicate with the GUI.  This fix
eliminates those copies and uses a getter to return a pointer to the
only copy.
Add propellers to XSec file output.

For some reason, the model_mat is all ones at this point, so the prop is
not placed in the right position/orientation.
Fix problem with over-printing symmetrical copy.
Remove debug and clean up XSec writing code.
Bump version to 2.2.5

Version 2.2.5 contains a collection of bug fixes and small features.  Some
of the features look like bug fixes -- and some of the fixes look like
small features.

Fixes/features in this release:
 - Save CFD export options
 - Automatically add *.vsp extension when saving
 - Add *.ram files to file-open dialog.
 - Write propellers to XSec *.hrm files
 - Fixed PovRay *.inc file bug
 - Fix FEA elements not getting written
 - Fix 64-bit GLFont support and embed font in executable
 - Fix parameter linking and design files for propeller