* Update all CMakeLists of extensions to use clang-format
* Run clang-format on all Extensions
* Update GDCore CMakeLists.txt to add clang-format
* Run clang-format on GDCore files
* Update GDJS and GDCpp CMakeLists.txt to add clang-format
* Run clang-format on GDCpp and GDJS files
* Use the port number in SendHttpRequest and DownloadFile
* Fix "Custom size" and "Custom viewports" not displayed in layer propgrid
* Fix Fedora spec file
* Use automatic versioning from git
* A "correct" version number is now generated even if git is unable to find a tag