message: Add documentation to FaceInformation.
diff: @@ -1322,17 +1322,19 @@ public:
  location==Mesh::FaceLocation::Shared);
  }
  + /// @brief Return true if the face is a local interior face.
  bool IsLocal() const
  {
  return location == Mesh::FaceLocation::Local;
  }
  + /// @brief Return true if the face is a shared interior face.
  bool IsShared() const
  {
  return location == Mesh::FaceLocation::Shared;
  }
  - /** @brief return true if the face is a boundary face, and not a
  + /** @brief Return true if the face is a boundary face, and not a
  non-conforming master face. */
  bool IsBoundary() const
  {
  @@ -1340,6 +1342,7 @@ public:
  location==Mesh::FaceLocation::Boundary;
  }
  + /// @brief Return true if the face is of the same type as @a type.
  bool IsOfFaceType(FaceType type) const
  {
  switch (type)
  @@ -1351,17 +1354,20 @@ public:
  }
  }
  + /// @brief Return true if the face is a conforming face.
  bool IsConforming() const
  {
  return conformity==Mesh::FaceConformity::Conforming;
  }
  + /// @brief Return true if the face is a ghost face.
  bool IsGhost() const
  {
  return location==Mesh::FaceLocation::Shared &&
  conformity!=Mesh::FaceConformity::Conforming;
  }
  + /// @brief Print function for FaceInformation.
  friend std::ostream& operator<<(std::ostream& os, const FaceInformation& info)
  {
  os << "location=";
  