(#2967) - Appcache fiddy bits

Made manfiest relative to root,  change blog paths endings so they can be cached
(#2967) - Strip index.html and add assets to appcache
(#2884) - upgrade browserify to version 6
(#2988) - Remove settimeout in replication test
(#2888) - Add failing test for issue 2888
(#2888) - Attach revived docs to deleted winning rev
(#2898) - small edits to the docs