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/frc971/control_loops/quaternion_utils_test.cc b/frc971/control_loops/quaternion_utils_test.cc
index ada5e60..32b1915 100644
--- a/frc971/control_loops/quaternion_utils_test.cc
+++ b/frc971/control_loops/quaternion_utils_test.cc
@@ -1,14 +1,15 @@
-#include "Eigen/Dense"
+#include "frc971/control_loops/quaternion_utils.h"
 
 #include <random>
 
-#include "aos/testing/random_seed.h"
-#include "frc971/control_loops/jacobian.h"
-#include "frc971/control_loops/quaternion_utils.h"
-#include "frc971/control_loops/runge_kutta.h"
+#include "Eigen/Dense"
 #include "glog/logging.h"
 #include "gtest/gtest.h"
 
+#include "aos/testing/random_seed.h"
+#include "frc971/control_loops/jacobian.h"
+#include "frc971/control_loops/runge_kutta.h"
+
 namespace frc971 {
 namespace controls {
 namespace testing {