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/zeroing/wrap_test.cc b/frc971/zeroing/wrap_test.cc
index b5f9100..6597e03 100644
--- a/frc971/zeroing/wrap_test.cc
+++ b/frc971/zeroing/wrap_test.cc
@@ -34,8 +34,8 @@
           break;
         }
       }
-      EXPECT_TRUE(found_interval) << ": Wrap(" << i << ", " << j
-                                  << ") = " << wrapped_val;
+      EXPECT_TRUE(found_interval)
+          << ": Wrap(" << i << ", " << j << ") = " << wrapped_val;
     }
   }
 }