Default to one week of daily occurrences, instead of 10.

It took me hours to hunt this down.
I don't see an easy way to customize this.

Having 10 occurrences is an arbitrary default.
Defaulting to 7 adds up to a week, which makes more sense.

See also https://github.com/plone/plone.app.event/issues/77
pep8
Merge remote-tracking branch 'gyst/master'
Merge remote-tracking branch '4teamwork/repeat_forever_button_parameter'
fix integration of AT widget
merge
fix test setup and make first_day access safer
pep8
upd changelog
Update to latest jqyery.recurrenceinput.

Fire events when changing recurrence value.
Update changelog.
Merge branch 'master' into deploy

Conflicts:
	buildout.cfg