Updated the translation file.
Updated readme with GD logo.
Improved readmes.
Fixed wxWidgets related error when building on GTK
Merge branch 'master' of github.com:4ian/GD
Removed useless scripts and files
Removed calls to old scripts in ReleaseProcedure.bat
Updated docs about SFML build.
Added checks for external libs in CMakeLists.txt
Added optional "usage complexity" to instructions metadata.
Merge branch 'master' of https://github.com/4ian/GD
Support for dragging multiple images from the resource editor to the SpriteObject editor.