[ENH] admin: Keep pref search results from being too long as it often is (inside a scrollable div) so you can still see the "change" button

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46948 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] calendars: Add simple "export as ical" button to calendar events - uses existing code in tiki-calendar_export_ical (thanks marclaporte)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46949 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Use Twitter API v1.1 as v1 is not available any more


git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46950 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] calendars: Perm check for first "export as ical" button (assumed to be y in edit mode)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@46951 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/11.x 46942 to 46951

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@46952 b456876b-0849-0410-b77d-98878d47e9d5