CMake Nightly Date Stamp
OS X: Search system SDKs for frameworks

In Modules/Platform/Darwin.cmake set CMAKE_SYSTEM_FRAMEWORK_PATH to
include framework directories from inside the system SDK corresponding
to CMAKE_OSX_SYSROOT.

Suggested-by: Sean McBride <sean@rogue-research.com>
Merge topic 'osx-find-sdk-frameworks' into next

1fce189 OS X: Search system SDKs for frameworks
6ed8504 CMake Nightly Date Stamp
Revert "FindGTK2: Do not add tests if the relative targets do not exist"

This partially reverts commit e8014c6127b928d3596a85f550fbb0b6f8d34d04.
Merge topic 'FindGTK2-targets' into next

3c594be Revert "FindGTK2: Do not add tests if the relative targets do not exist"