changed updateDocument function to allow user to specify the documentId to be updated (rather than assuming its in the document)
changed updateDocument function to allow user to specify the documentId to be updated (rather than assuming its in the document)

jamiltz/react-native-couchbase-lite,fraserxu/react-native-couchbase-lite,fraserxu/react-native-couchbase-lite,jamiltz/react-native-couchbase-lite,fraserxu/react-native-couchbase-lite