(#1276) - bulkDocs with empty doc list is now valid
(#1265) - remove test directory
(#1279) - clean up errors in websql
(#1283) - Add documentation re: attachment performance
(#1237) - Fix Attachment saving in WebSQL driver
(#1264 pouchdb/mapreduce#37) - document eval avoidance
(#1264 pouchdb/mapreduce#37) - document eval avoidance
(#1260) - Add documentation for iOS size limits

Modify the docs to urge people to use the SQLite plugin
to avoid WebSQL size quotas on iOS.
(#1255) - Improve API documentation

Adds better documentation for the query()
API and harmonizes our usage of
terminology and punctuation.
(#1207) - Switch to WebSQL if IDB is outdated

Certain Samsung devices are running a legacy
version of the IndexedDB spec.  This commit
detects the outdated API and reports IDB as
invalid, so we switch to WebSQL.
(#1274) - Recognize 'unauthorized' errors in ajax requests.
(#1269) Redundant _changes requests

Fix HttpPouch.changes to stop requesting _changes when not continuous and the
last sequence number of the last request is >= the source DB last sequence
number when changes started.
Merge branch 'master' into hasOwnProperty-fix
We want inherited properties in 'extend' (except those on Object.prototype)