Revision 2260

Added new types which are need for the editing functions.
Added needed set-functions for the editing functions.
Added the possibility to export rasterimages.
Added new classes (MF_Web, MF_Label, MF_Legend, MF_Symbol, MF_SymbolSet).
MF_Symbol and MF_SymbolSet are not needed at the moment.
(MF_Class.set_thubanstyle): Now point layers will set to a default symbol
to show a circle in mapserver and not only a 1px dot.				(MF_Style.__init__): Fixed a bug with the color. Color was not set correct
before.
(MF_Size): Removed, because it is not needed.