Release of Roassal2 for Pharo9

• Dependency to geometry in roassal2 has been reworked
• tests are green for pharo8 an pharo9
• new system to display the errors in tests in github.

Minor update of last version of Roassal2

• Fix for RTNesting
• Update for the PDF exporter plugin

Release of Roassal2 for Pharo 7

pharo7

removed a tests that does not fit for Pharo8