Fix #6 : Change "New Child" Menu Label to "New Simple Uml Child"

Signed-off-by: Benoit Maggi <benoit.maggi@cea.fr>
Fix #7 : Add the configuration for a simple table
  - also change the category to uml to provide table checkbox on the
wizard creation
   
Signed-off-by: Benoit Maggi <benoit.maggi@cea.fr>
Fix #8 Add a template model example 
 - add a template model with pattern singleton
Fix #9 : Simple Uml palette is broken 
 - some id changed from the "inherited" palette Class Diagram