* 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
Enhanced ObjectsPropgridHelper to support displaying properties in a not empty property grid.
Added support for platform specific extension creation/destruction functions.
git-svn-id: svn://localhost@1063 8062f311-0dae-4547-b526-b8ab9ac864a5