Ran through and culled some footnote link references on Testing that weren't being used in the body.
Also ran through the links on the About, Documentation, FAQ and Configuration pages to check that those links are still active. Fixes up those that are at new homes.
Updates GitHub links to SSL version.
Cull footnote links either not used or no longer there
Some of the link references found at the bottom of
Testing are either not linked up with any phrase in
the page or are just now pointing into the void.
Shakedown whole bunch of links and repo URLs
Updates GitHub links to SSL version in Extensions
sinatra-mapping, sinatra-effigy and sinatra-mongoid
are now under new GitHub repo owners.
Updates About credits for various people to live
links such as Tomayko, Jack Canty.
Thanks a ton for doing all the maint-work to keep the readme up to date, looks great!
Merge pull request #88 from randomecho/linkrot
Updates links on About, Docs, FAQ, Config to correct locations