Run clang-format on the entire repo

This patch clang-formats the entire repo. Third-party code is
excluded.

I needed to fix up the .clang-format file so that all the header
includes are ordered properly. I could have sworn that it used to work
without the extra modification, but I guess not.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I64bb9f2c795401393f9dfe2fefc4f04cb36b52f6
diff --git a/aos/stl_mutex/stl_mutex.h b/aos/stl_mutex/stl_mutex.h
index e3a930e..5aaa6b6 100644
--- a/aos/stl_mutex/stl_mutex.h
+++ b/aos/stl_mutex/stl_mutex.h
@@ -3,9 +3,10 @@
 
 #include <mutex>
 
+#include "glog/logging.h"
+
 #include "aos/ipc_lib/aos_sync.h"
 #include "aos/macros.h"
-#include "glog/logging.h"
 
 namespace aos {