Modifications on IFML.odesing file and helper.mtl

Modified the visualization of events in order to allow the user to
specify the name of the events. The default name of the event is its
type.

Mobile components have been added to the palette under the new tab
called Mobile.
Updates on grafical components

Graphical components have been updated to be in line with the standard.
More mobile compontes have been added to the palette.