removed '/nodes' list API; modified documentation for update-node call (runtime_info no longer holds 'previous values')
Merge branch 'develop' into feature/CLOUDIFY-2392-ElasticSearch-Storage-Impl
Merge pull request #21 from CloudifySource/feature/CLOUDIFY-2392-ElasticSearch-Storage-Impl

CLOUDIFY-2392-ElasticSearch-Storage-Impl