Merge \"Merge \\"Merge \\\"remove \\\"referenceonly\\\" flag from the...

Merge \"Merge \\"Merge \\\"remove \\\"referenceonly\\\" flag from the offline-docs build. Add new offline-docs-referenceonly make rule. And update online-sdk and offline-sdk to use the new site templates.\\\" into nyc-dev am: 83f71845\\" into nyc-mr1-dev am: 925a5ffa\" into nyc-mr1-dev-plus-aosp
am: 3fa5eaa9

Change-Id: I965b36238ad7cc02a6b7f7f9257938edce665209