Update details for Wandsworth Common Village Books.
Added photo and updated info for 30th Century Comics
Merge pull request #1 from bleach/master

Fix name of Wandsworth Common Village Books
Fix typo in Village Books blurb, change ID to reflect name, put back in alphabetical order.
Merge pull request #2 from rjw1/30thcenturycomics

Added photo and updated info for 30th Century Comics
Riverside Bookshop still exists.
Updated Beckenham Books.

Updated website, added phone number and twitter
Merge pull request #3 from rjw1/beckenham

Updated Beckenham Books.
Beckenham Bookshops website says they do new books.
Bolingbroke Bookshop closed a few months ago.
Freedom Bookshop is open again.
Add photos for Whitgift Centre bookshops.
Add more details of Foyles branches (with the help of Foyles themselves).
Add links for Lloyd's of Kew.
Add photo and update checked date for Woolfson & Tay.
Kew Bookshop: add RGL link and verify existence.
Add Sheen Bookshop and more details for Barnes and Kew Bookshops.
Add photo for Daunt Books Belsize Park, confirm existence.
Add two charity bookshops in Highbury.
Add photo for Halcyon Books.