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/ahal/DigitalOutput.cc b/frc971/wpilib/ahal/DigitalOutput.cc
index ac00df3..389cfae 100644
--- a/frc971/wpilib/ahal/DigitalOutput.cc
+++ b/frc971/wpilib/ahal/DigitalOutput.cc
@@ -10,10 +10,10 @@
 #include <limits>
 #include <sstream>
 
+#include "frc971/wpilib/ahal/WPIErrors.h"
 #include "hal/DIO.h"
 #include "hal/HAL.h"
 #include "hal/Ports.h"
-#include "frc971/wpilib/ahal/WPIErrors.h"
 
 using namespace frc;
 
@@ -80,10 +80,10 @@
 }
 
 /**
-   * Gets the value being output from the Digital Output.
-   *
-   * @return the state of the digital output.
-   */
+ * Gets the value being output from the Digital Output.
+ *
+ * @return the state of the digital output.
+ */
 bool DigitalOutput::Get() const {
   if (StatusIsFatal()) return false;