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/mutex/mutex.h b/aos/mutex/mutex.h
index 1a2a028..869f429 100644
--- a/aos/mutex/mutex.h
+++ b/aos/mutex/mutex.h
@@ -1,10 +1,11 @@
 #ifndef AOS_MUTEX_H_
 #define AOS_MUTEX_H_
 
+#include "glog/logging.h"
+
 #include "aos/ipc_lib/aos_sync.h"
 #include "aos/macros.h"
 #include "aos/type_traits/type_traits.h"
-#include "glog/logging.h"
 
 namespace aos {