Make file formatting comply with POSIX and Unix standards

UTF-8, LF, no BOM, and newlines at the end of files
diff --git a/doc/snippets/Jacobi_makeJacobi.cpp b/doc/snippets/Jacobi_makeJacobi.cpp
index 0cc331d..a86e80a 100644
--- a/doc/snippets/Jacobi_makeJacobi.cpp
+++ b/doc/snippets/Jacobi_makeJacobi.cpp
@@ -5,4 +5,4 @@
 cout << "Here is the matrix m:" << endl << m << endl;
 m.applyOnTheLeft(0, 1, J.adjoint());
 m.applyOnTheRight(0, 1, J);
-cout << "Here is the matrix J' * m * J:" << endl << m << endl;
\ No newline at end of file
+cout << "Here is the matrix J' * m * J:" << endl << m << endl;