Add format-code.sh from CoreFX

src/corefx/.clang-format

@@ -0,0 +1,18 @@
+---
+Language:        Cpp
+# BasedOnStyle:  LLVM
+AlignEscapedNewlinesLeft: false
+AlignAfterOpenBracket: true
+AllowShortFunctionsOnASingleLine: false
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: false
+BinPackParameters: false
+BreakBeforeBraces: Allman
+ColumnLimit:     120
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+IndentCaseLabels: true
+IndentWidth: 4
+PointerAlignment: Left
+TabWidth:    4
+...
+

src/corefx/format-code.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+# OS X names clang-format as clang-format; Ubuntu uses
+# clang-format-version so check for the right one
+if which "clang-format-3.6" > /dev/null 2>&1 ; then
+   export CF="$(which clang-format-3.6)"
+elif which "clang-format" > /dev/null 2>&1 ; then
+   export CF="$(which clang-format)"
+else
+   echo "Unable to find clang-format"
+   exit 1
+fi
+
+cd $(dirname "$0")
+
+for D in */; do
+    for file in "${D}"*.cpp; do
+        if [ -e $file ] ; then
+            $CF -style=file -i "$file"
+        fi
+    done
+
+    for file in "${D}"*.h ; do
+        if [ -e $file ] ; then
+            $CF -style=file -i "$file"
+        fi
+    done
+
+    for file in "${D}"*.hpp ; do
+        if [ -e $file ] ; then
+            $CF -style=file -i "$file"
+        fi
+    done
+
+   for file in "${D}"*.in ; do
+       if [ -e $file ] ; then
+            $CF -style=file -i "$file"
+       fi
+   done
+done