Changes

Summary

1. Merging changes for Flatpak building convenience into trunk

Revision 12099 by merholzl: Merging changes for Flatpak building convenience into trunk
Change Type	Path in Repository	Path in Workspace
	/code/trunk	.
	/code/trunk/cmake/InstallCheck.cmake	cmake/InstallCheck.cmake
	/code/trunk/cmake/tools/FindCEGUI.cmake	cmake/tools/FindCEGUI.cmake
	/code/trunk/src/libraries/tools/Timer.h	src/libraries/tools/Timer.h