Working Title G3000 v0.7.3

Please refer to the changelog for a more detailed description of changes in this release.

Added the Enroute Options menu to the GTC Flight Plan page, which allows you to add waypoints and airways directly to the beginning of the Enroute segment.
Enabled the ability to zoom and scroll the Flight Plan and Procedure Preview panes.

Fixes

[FPLN] VNAV indications will no longer display “NaN” for vertical deviation when the current VNAV leg is flat.
[MFD] The Navigation Data Bar BRG field now correctly displays the bearing to the active waypoint instead of the airplane’s heading.
[GTC] Fixed behavior of Back button in the G3000 Transponder page.
[NavMap] The range compass now displays “360” instead of “000” for north heading.
[Charts] Fixed a freeze that could occur when attempting to display certain Navigraph charts with malformed georeferencing data.