new page layouts for group-create.jsp and group-edit.jsp. They still need the text put in i18n, delete button on group-edit.jsp still needs to be turned into a javascript alert, and group-create.jsp needs work so it can be re-used as an edit screen for group name and desc.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@5280 b35dd754-fafc-0310-a699-88a17e54d16e