Update startkey/endkey params to match DP4 naming

Change-Id: I6c236351bc8cf5de714827476e313b2db5d8d32b
Reviewed-on: http://review.couchbase.org/14302
Tested-by: John C. Zablocki <john@couchbase.com>
Reviewed-by: Matt Ingenthron <matt@couchbase.com>

src/Couchbase/CouchbaseViewBase.cs

@@ -133,10 +133,10 @@ internal abstract class CouchbaseViewBase<T> : IView<T> {
         private IHttpRequest CreateRequest(IHttpClient client) {
             var retval = client.CreateRequest(this.designDocument + "/_view/" + this.indexName);
 
-            AddOptionalRequestParam(retval, "start_key", this.startKey);
-            AddOptionalRequestParam(retval, "end_key", this.endKey);
-            AddOptionalRequestParam(retval, "startKey_docid", this.startId);
-            AddOptionalRequestParam(retval, "endKey_docid", this.endId);
+            AddOptionalRequestParam(retval, "startkey", this.startKey);
+            AddOptionalRequestParam(retval, "endkey", this.endKey);
+            AddOptionalRequestParam(retval, "startkey_docid", this.startId);
+            AddOptionalRequestParam(retval, "endkey_docid", this.endId);
             AddOptionalRequestParam(retval, "skip", this.skip);
             AddOptionalRequestParam(retval, "limit", this.limit);