make completion for bbdb-read-string less obtrusive
make 'eq the 4th arg of add-to-list
Fix ChangLog.  Update AUTHORS.
bbdb-update-records: Always evaluate arg update-p twice
Bug fix for previous commit
bbdb-update-records: eval arg update-p as many times as needed
Small fixes
Do not use 'prompt' in a non-emacs sense
ready for release 3.1
m4/package_date.m4: Use "date -u" if "date --rfc-3339" fails
Install miscellaneous files in the doc directory
lisp/bbdb-site.el: honor pkgdatadir