(#1653) - server sent events
(#2798) - add some attachment tests
(#2768) - basic opt-in replication - retry
(#2797) - Simplify getting started with since: 'now'
Revert "(#2798) - add some attachment tests"

This reverts commit 976c606c12b0da7217e0cad4fae431cef0d7129d.
(#2816) - Disable SSE replication for chrome failures
(#2798) - Add some attachment tests
(#2803) - throw 412s when stubs are missing
(#2831) - updated supported browsers list

We are definitely passing in Android 4.0, we explicitly
test Travis in Safari 6 and iOS 7, so I've updated the
list of supported browsers accordingly.
(#2810) - simpler check for outdated IndexedDB
(#2812) - Revive the unit tests
(#2814) - Revive the merge tree tests
(#2708) - implement attachment stub length
(#2807) - auto_compaction properly trims tree
(#2844) - Encode attachment names
(#2842) - document Android pre-Kitkat WebView error
(#2841) - respect options when making dependent dbs
(#2766) - Add the PouchDB guide
(#2845) - fix endkey in blog post
(#2794) - explain normal 404s in console.info