clang-format: format all code as Cpp11

.clang-format

Source/CPack/cmCPackGenerator.cxx

Source/CTest/cmCTestRunTest.cxx

Source/CTest/cmCTestTestHandler.cxx

Source/CTest/cmCTestTestHandler.h

Source/cmAlgorithms.h

Source/cmDepends.cxx

Source/cmELF.h

Source/cmExecuteProcessCommand.cxx

Source/cmExtraCodeBlocksGenerator.cxx

Source/cmExtraCodeLiteGenerator.cxx

Source/cmExtraEclipseCDT4Generator.cxx

Source/cmExtraSublimeTextGenerator.cxx

Source/cmExtraSublimeTextGenerator.h

Source/cmFindCommon.h

Source/cmGeneratorExpression.cxx

Source/cmGeneratorExpression.h

Source/cmGeneratorExpressionContext.h

Source/cmGeneratorExpressionDAGChecker.cxx

Source/cmGeneratorExpressionDAGChecker.h