Collaboration page and social workspace page : group actions under unique button

Group following actions, according to user rights, under a unique button (with separators): (SEE MOCKUP)

• Add Gadget
• Change Layout
  Separator
• Create Article
• Create News
• Create collaborative workspace
  Separator
• Browse to Articles
• Browse to News
  Serarator
• Browse to DM : Attention: change label to > "Document Management View"

THe button will be labeled "Actions" with an arrow

We do not want to display the separator if the slot is empty