auto style fix test
 find  ../src/common/ -type f -regex '.*[hcc]$' -exec clang-format-3.4 -i -style=file {} \;
 using the following config

 BasedOnStyle:  Google
 AccessModifierOffset: -1
 ConstructorInitializerIndentWidth: 4
 AlignEscapedNewlinesLeft: true
 AlignTrailingComments: true
 AllowAllParametersOfDeclarationOnNextLine: true
 AllowShortIfStatementsOnASingleLine: false
 AllowShortLoopsOnASingleLine: false
 AlwaysBreakTemplateDeclarations: true
 AlwaysBreakBeforeMultilineStrings: true
 BreakBeforeBinaryOperators: false
 BreakConstructorInitializersBeforeComma: false
 BinPackParameters: true
 ColumnLimit:     100
 ConstructorInitializerAllOnOneLineOrOnePerLine: true
 ConstructorInitializerIndentWidth: 2
 DerivePointerBinding: false
 ExperimentalAutoDetectBinPacking: false
 IndentCaseLabels: true
 MaxEmptyLinesToKeep: 1
 NamespaceIndentation: None
 ObjCSpaceBeforeProtocolList: false
 PenaltyBreakComment: 60
 PenaltyBreakString: 1000
 PenaltyBreakFirstLessLess: 120
 PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 200
 PointerBindsToType: true
 SpacesBeforeTrailingComments: 2
 Cpp11BracedListStyle: true
 Standard:        C++11
 IndentWidth:     2
 TabWidth:        8
 UseTab:          false
 BreakBeforeBraces: Attach
 IndentFunctionDeclarationAfterType: true
 SpacesInParentheses: false
 SpaceInEmptyParentheses: false
 SpacesInCStyleCastParentheses: false
 SpaceAfterControlStatementKeyword: true