CMake 2.8.12-rc1
Merge branch 'release'
CMake 2.8.12-rc2
Merge branch 'release'
CMake 2.8.12-rc3
Merge branch 'release'
CMake 2.8.12-rc4
Merge branch 'release'
CMake 2.8.12
Begin post-2.8.12 development
Merge branch 'master' into INTERFACE_LIBRARY-target-type

Resolve conflict in Source/cmExportInstallFileGenerator.cxx
by updating the versions to match those from 'master'.
Merge branch 'INTERFACE_LIBRARY-target-type' into next