run through clang format.

settings:

BasedOnStyle:  LLVM
AccessModifierOffset: -4
AllowShortFunctionsOnASingleLine: Inline
BreakConstructorInitializersBeforeComma: true
ColumnLimit:     120
KeepEmptyLinesAtTheStartOfBlocks: true
IndentWidth:     4
TabWidth:        4
UseTab:          Always
BreakBeforeBraces: Allman