Merge branch 'convert-to-utf-8' into 'master'

convert file to UTF-8 encoding

See merge request !105

dune/gfe/cosseratrodenergy.hh

@@ -77,7 +77,7 @@ public:
 
     /** \brief Constructor setting shape constants and material parameters
         \param A The rod section area
-        \param J1, J2 The geometric moments (Flchentrgheitsmomente)
+        \param J1, J2 The geometric moments (Flächenträgheitsmomente)
         \param E Young's modulus
         \param nu Poisson number
     */