Fixed formatting, grammar, other cleanups.
Fixed formatting, grammar, other cleanups.

rameshdharan/cloud-bigtable-client,rameshdharan/cloud-bigtable-client,kevinsi4508/cloud-bigtable-client,googleapis/java-bigtable-hbase,googleapis/java-bigtable-hbase,kevinsi4508/cloud-bigtable-client,sduskis/cloud-bigtable-client,sduskis/cloud-bigtable-client,googleapis/java-bigtable-hbase