RSS feed uses dc:creator instead of author

The author element must contain an email address, but since we
likely don't want to reveal those, we can instead use the Dublin
Core 'creator' element which allows just a name.
RSS feed pubDate RFC2822 formatted
Added js/jquery-1.9.1.min.js to site
htaccess rewrite rules for old /3_0/ and /4_0/ urls
Adding web page for Harvard.
Merge pull request #51 from amyrbrown/harvard

Adding web page for Harvard.
Merge pull request #35 from pipitone/local-jquery

Include jquery.js in site rather than loading from jquery.com
Merge pull request #50 from pipitone/feed-validation-fixes

Feed validation fixes (fixes #46)
Merge pull request #49 from pipitone/old-lessons-url-rewrite

htaccess rewrite rules for old /3_0/ and /4_0/ urls (#41 fix)
Fix internal links in operations page

Should be #checklists not #checklist in the
in the host instructions. The FAQs need an id=faq.
Merge pull request #53 from andreww/master

Fix internal links in operations page
Exeter dates rescheduled from 12-13 to 14-15 November
Merge pull request #54 from mikej888/exeter

Exeter dates rescheduled from 12-13 to 14-15 November