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/y2019/joystick_reader.cc b/y2019/joystick_reader.cc
index ed55dfc..4e73f9e 100644
--- a/y2019/joystick_reader.cc
+++ b/y2019/joystick_reader.cc
@@ -5,13 +5,14 @@
 #include <cstdio>
 #include <cstring>
 
+#include "external/com_google_protobuf/src/google/protobuf/stubs/stringprintf.h"
+
 #include "aos/actions/actions.h"
 #include "aos/init.h"
 #include "aos/logging/logging.h"
 #include "aos/network/team_number.h"
 #include "aos/util/log_interval.h"
 #include "aos/vision/events/udp.h"
-#include "external/com_google_protobuf/src/google/protobuf/stubs/stringprintf.h"
 #include "frc971/autonomous/base_autonomous_actor.h"
 #include "frc971/control_loops/drivetrain/localizer_generated.h"
 #include "frc971/input/action_joystick_input.h"