Node SDK: add 1.1 version
Updated Node.js getting started to remove libcouchbase installation step.
Added documentation for Replica-Reads.
Added release notes for 1.1.0, pointed to new autodocs url.
Fixed up wording for replica reads.
Merge branch 'node-1.1' into stage
fix content top margin
Merge branch 'stage' of https://github.com/couchbaselabs/docs-ng into n1ql