ufz/ogs — pull request #188 by norihiro-w (2013-08-20 10:34:28+00:00)
Title: Rename Edge to Line in MeshLib

As we have discussed in #91, I'm submitting change sets to rename an element type name Edge to Line in MeshLib. In addition to the renaming, previous Edge class is redefined as a base class for 1D elements as Face class is used for 2D elements.