GOCBC-239: Correct a naming for config polling options.
GOCBC-239: Correct a naming for config polling options.

Motivation
----------
The Go SDK was not in line with the RFC in terms of naming
for the polling options exposed via our connection strings.

Changes
-------
Updated the option names to match the RFC.

Change-Id: I1bec3f49b5bb59d2cf13501d6911e3a59bd1d03f
Reviewed-on: http://review.couchbase.org/85653
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Tested-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

brett19/gocbcore