Switch news__datasource to call content_search__datasource directlyinstead of trying to invoke the service contract implementation forcotnent_revision which may not be enabled.
I consolidated the selection of contact attribute values from multiple locations into contacts::get::values::multirow and redid all references to that data throughout the package
Fix bug 2073: comments were not displayed in notifications when the task wasbeing closed. Bump version up to 2.15b3. Also, minor color change for taskcalendar.
