Move compute and collapse buttons into the action bar.

Not functional for the moment, methods onClick still to set

https://github.com/TAurelien/SimuImmo/issues/issue/7
Signed-off-by: TAurelien <aurelien.ticot@gmail.com>
Implement actions on 'Collapse' and 'Compute' menu items

Respectievly launch collapseUI() and onClickCalcul()

Signed-off-by: TAurelien <aurelien.ticot@gmail.com>
Merge branch 'feature_ActionBar' into develop