Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

Tests/JavaJavah/B.cpp

@@ -4,7 +4,7 @@
 
 #include "B.h"
 
-JNIEXPORT void JNICALL Java_B_printName(JNIEnv *, jobject)
+JNIEXPORT void JNICALL Java_B_printName(JNIEnv*, jobject)
 {
   printf("B\n");
 }