install p.a.event and DateRecurringIndex for Plone 4.1

svn path=/Products.PloneTestCase/branches/plip9302-vs-event-integration/; revision=226202
merged with trunk

svn path=/Products.PloneTestCase/branches/plip9302-vs-event-integration/; revision=229681
merge with trunk, changes message for p.a.eventrelated changes

svn path=/Products.PloneTestCase/branches/plip9302-vs-event-integration/; revision=231400
Merged latest trunk changes to plip9302-vs-event-integration branch

svn path=/Products.PloneTestCase/branches/plip9302-vs-event-integration/; revision=240787
merge
use Plon 42. merge with master
Merge remote-tracking branch 'origin/master' into plip9302-vs-event-integration
Merge remote-tracking branch 'origin/master' into plip9302-vs-event-integration
Merge remote-tracking branch 'origin/master' into plip9302-vs-event-integration