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/solvers/sparse_convex_test.cc b/frc971/solvers/sparse_convex_test.cc
index e391aa4..63a9409 100644
--- a/frc971/solvers/sparse_convex_test.cc
+++ b/frc971/solvers/sparse_convex_test.cc
@@ -36,8 +36,7 @@
   }
 
   // Returns the constraints f(X) < 0, and their derivitive.
-  Eigen::VectorXd f(
-      Eigen::Ref<const Eigen::VectorXd> X) const override {
+  Eigen::VectorXd f(Eigen::Ref<const Eigen::VectorXd> X) const override {
     return C_ * X - c_;
   }
   Eigen::SparseMatrix<double> df(
@@ -49,9 +48,7 @@
   Eigen::SparseMatrix<double> A() const override {
     return Eigen::Matrix<double, 1, 2>(1, -1).sparseView();
   }
-  Eigen::VectorXd b() const override {
-    return Eigen::Matrix<double, 1, 1>(0);
-  }
+  Eigen::VectorXd b() const override { return Eigen::Matrix<double, 1, 1>(0); }
 
  private:
   Eigen::Matrix<double, 2, 2> Q_;