Merge branch 'cmake_upgrade' into 'develop'

CMake/CPackFunctions.cmake

CMake/FindAgg.cmake

CMake/FindGBenchmark.cmake

CMake/FindGLEW.cmake

CMake/FindGLFW.cmake

CMake/FindGeoTIFF.cmake

CMake/FindICUUC.cmake

CMake/FindLTDL.cmake

CMake/FindLibKML.cmake

CMake/FindLibSVM.cmake

CMake/FindMercurial.cmake

CMake/FindMuParser.cmake

CMake/FindMuParserX.cmake

CMake/FindNumpy.cmake

CMake/FindOpenCV.cmake

CMake/FindOpenThreads.cmake

CMake/FindOssim.cmake

CMake/FindShark.cmake

CMake/FindTinyXML.cmake

CMake/OTBCheckCpp11Keywords.cmake