ANNPLT-60:  A couple permissions-related oversights
NOJIRA: Update Announcements portlet definition to support help mode
Merge pull request #10 from waymirec/NOJIRA

NOJIRA: Update Announcements portlet definition to support help mode
NOJIRA: Add a "Help" link to the bottom of the base admin page in the Announcements Admin portlet that redirects to the HELP mode with a maximized window state.
Merge pull request #11 from waymirec/NOJIRA

NOJIRA: Add a "Help" link to the bottom of the base admin page