Save the auth values so if the AuthSession cookie has passed the Time left threshold it gets updated
docs: add Upgrade Notes for 1.2.0

Synthesized from the Breaking_changes page on the wiki.
rename README to README.rst
Fix fauxton boundRoute bug
Merge remote-tracking branch 'ocasta/1799-rewrite-session-cookie-fix'

Fixes COUCHDB-1799
docs: add more structure to the release history
replace README with README.rst in build system
docs: don't refer to release chapter in build system
Merge remote-tracking branch 'upstream/master'