Link to events, not the index of all events, in feed items



git-svn-id: http://svn.apostrophenow.org/plugins/apostropheBlogPlugin/branches/1.5@5001 c89fab08-2f9b-42bf-8176-bd3ad6bee547
* RSS feeds of events now support app_aBlog_feedExcerpt: true and app_aBlog_feedExcerptLength: [wordcount]. If you turn on excerpts without specifying a length, The default excerpt length is 30 words.

* Events support the same options, under the names app_aEvents_feedExcerpt and app_aEvents_feedExcerptLength.



git-svn-id: http://svn.apostrophenow.org/plugins/apostropheBlogPlugin/branches/1.5@5003 c89fab08-2f9b-42bf-8176-bd3ad6bee547