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/wpilib/fpga_time_conversion.h b/frc971/wpilib/fpga_time_conversion.h
index 9862918..51cc7a9 100644
--- a/frc971/wpilib/fpga_time_conversion.h
+++ b/frc971/wpilib/fpga_time_conversion.h
@@ -1,11 +1,12 @@
 #ifndef FRC971_WPILIB_FPGA_TIME_CONVERSION_H_
 #define FRC971_WPILIB_FPGA_TIME_CONVERSION_H_
 
-#include <optional>
 #include <chrono>
+#include <optional>
+
+#include "glog/logging.h"
 
 #include "aos/time/time.h"
-#include "glog/logging.h"
 #include "hal/cpp/fpga_clock.h"
 
 namespace frc971 {