Added an horseshoe shaped gmsh example

git-svn-id: https://elmerfem.svn.sourceforge.net/svnroot/elmerfem/trunk@6020 35e42291-063b-0410-a9f9-998d8d6728aa
some unlisted keywords

git-svn-id: https://elmerfem.svn.sourceforge.net/svnroot/elmerfem/trunk@6021 35e42291-063b-0410-a9f9-998d8d6728aa
some new keywords again

git-svn-id: https://elmerfem.svn.sourceforge.net/svnroot/elmerfem/trunk@6022 35e42291-063b-0410-a9f9-998d8d6728aa
MgDyn2d added default name in postprocessing to Az

git-svn-id: https://elmerfem.svn.sourceforge.net/svnroot/elmerfem/trunk@6023 35e42291-063b-0410-a9f9-998d8d6728aa
1st version of xml file for MagnetoDynamics2D

git-svn-id: https://elmerfem.svn.sourceforge.net/svnroot/elmerfem/trunk@6024 35e42291-063b-0410-a9f9-998d8d6728aa