(#807) - cleanup conflict revs in changes/allDocs

* code cleanup and simplification
* test fixed so it tests allDocs
* small bug fixed (one map removal was forgotten)
(#810) - add stub:true to docs retrived via allDocs
(#810) - add stub:true to docs retrieved via changes

Also add tests of complete and onChange
(#842) - Make PouchDB constructor (still support Pouch for compat)
#751 - Reenable Chrome tests
(#798) - Put all console messages behind debug flag
(#679) - Update to website and documentation

Apologies, its purposefully ugly, but I wanted to get the content
right and then do the design properly
(#846) - Add Github banner to site
(#847) - Add google analytics tracking code
(#845) - Fix link to apache.couchdb.org
(#847) - Fix google analytics tracking code
(#851) - Fixing replicate end_time format
(#849) - Ensure we dont overwrite replication complete callback
(#849) - Follow up to fix Pouch.repli
cate test