OpenShot Video Editor 2.4.4

What's new in this version:

- Bump version to 2.4.4 (minimum libopenshot to 0.2.3)
- Scale keyframe coordinates when changing Profile or Exporting using a different FPS
- Large performance improvements on AngularJS Timeline (and solved some Async issues)
- Integration of resvg SVG library (gitlab and freeze updates)
- Improved Tracks (simpler numbering, faster inserting, prevent deletion of locked tracks)
- Improved Docking (Timeline widget is now dockable and Properties works in pillar mode)
- Windows Installer: Remove invalid files (system32/zlib1.dll)
- Use libopenshot to generate preview images for our Title editor, and no longer use Qt's SVG parsing by default.
- Improving UTF-8 path detection and conversion
- Rewrite conversion of relative and absolute path support in OpenShot
- Fixing many Python issues reported in our automatic exception tracking
- Fixing Various Breakages in our Release Testing Plan
- Fixing regressions to Split Audio
- Integrate Constant Rate Factor (CRF) into Export Dialog
- Separating PrepareStreams() from Open(), to allow SetOption() to correctly function
- Adding h265 export preset (thanks Peter)
- Adding ~/.openshot_qt/presets/ User-defined Presets, so users can easily install custom export presets (devices and formats)
- Dragging an OSP file into the Project Files widget will open the entire project file (and prompt to save unsaved changes)
- Persist undo/redo history correctly across OpenShot sessions
- Fix audio waveform display when slicing clips or resizing/trimming clips
- Color picker: Never use native dialog
- Adding Git Changelog screen
- Converting to new Settings class, instead of the old ENV VAR method
- Reverting Angular from 1.7.2 to 1.6.0 (for stability reasons)
- Updating GitHub Templates (for bug report, question, and feature request)
- Updating GitHub README: features list, translation urls, and badges
- Completed Arabic, Hindi, Chinese (Simplified and Traditional) translations
- Update messaging integration on build server
- Add init.py file for installed module
- launch.py: Path-detect via openshot_qt init
- Exit using sys.exit()
- preferences: Tweak item layout
- Widen export window
- Pass remaining command line args to Qt
- Copy (cleaned up) xdg icon to src/images
- Add strings to be translated and fix tuple error
- added browse button in file properties dialog, to allow relinking of individual media files
- fix for automatic relinking of missing media files during project open
- Add the same browse type for inkscape and blender field
- Remove CRLF line endings from chromebook preset
- Convert language.py line endings
- Missing files are now automatically deleted from the recent menu
- Append correct extension to snapshot frames
- Simplify version number and file name logic in build server (especially for releases)
- Update Contributors & Translations