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/y2020/control_loops/superstructure/superstructure_replay.cc b/y2020/control_loops/superstructure/superstructure_replay.cc
index 0148523..36a6778 100644
--- a/y2020/control_loops/superstructure/superstructure_replay.cc
+++ b/y2020/control_loops/superstructure/superstructure_replay.cc
@@ -4,13 +4,14 @@
 // replayed, so that it can then be run through the plotting tool or analyzed
 // in some other way. The original drivetrain status data will be on the
 // /original/drivetrain channel.
+#include "gflags/gflags.h"
+
 #include "aos/events/logging/log_reader.h"
 #include "aos/events/simulated_event_loop.h"
 #include "aos/init.h"
 #include "aos/json_to_flatbuffer.h"
 #include "aos/logging/log_message_generated.h"
 #include "aos/network/team_number.h"
-#include "gflags/gflags.h"
 #include "y2020/constants.h"
 #include "y2020/control_loops/superstructure/superstructure.h"