trying to overwrite sharing view
Rename participant to member, for consistency
filtering sharing tab results
add [member] to user name if he is in the workspace in sharing tab
Added some descriptions to policies page
docstrings
Add viewlet to workspace sharing tab

This adds info regarding the participant policy to our custom sharing tab
Change sharing info viewlet to warning
Merge pull request #22 from ploneintranet/sharing-tab

Sharing tab