- MOD: Removed sample OpenStreetMap world chart (to reduce GIT/tarball size)
- MOD: Removed unnecessary (and unfinished) YCbCr color space handling code
- FIX: Application no longer freezes when loading invalid chart
- NEW: Defaults filename to QVCT format/extension when provided filename
  misses extension
- NEW: Added digital elevation model (DEM) support
  - NEW: Added project modification status tracking (to prevent unsaved
    data loss on exit or when loading a new project)
  - MOD: Consolidated data change mutex code
- FIX: Geo items are now located properly on elevation model (when its
  projection is different from the associated chart)
- FIX: Elevation status is now properly synchronized when switching
  charts (tabs)
- FIX: Elevation model color table is adjusted for better rendering
  (including no-value data)
- NEW RELEASE (1.0.20130107)