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/c2d_test.cc b/frc971/control_loops/c2d_test.cc
index a0c4deb..14b4952 100644
--- a/frc971/control_loops/c2d_test.cc
+++ b/frc971/control_loops/c2d_test.cc
@@ -2,9 +2,10 @@
 
 #include <functional>
 
-#include "frc971/control_loops/runge_kutta.h"
 #include "gtest/gtest.h"
 
+#include "frc971/control_loops/runge_kutta.h"
+
 namespace frc971 {
 namespace controls {
 namespace testing {
@@ -65,8 +66,9 @@
       },
       Eigen::Matrix<double, 2, 2>::Zero(), 0, 1.0);
   EXPECT_LT((Q_d_integrated - Q_d).norm(), 1e-10)
-      << "Expected these to be nearly equal:\nQ_d:\n" << Q_d
-      << "\nQ_d_integrated:\n" << Q_d_integrated;
+      << "Expected these to be nearly equal:\nQ_d:\n"
+      << Q_d << "\nQ_d_integrated:\n"
+      << Q_d_integrated;
 }
 
 // Tests that the "fast" discretization produces nearly identical results.