update maven release version for pom example; fix code example; fix typos
update maven release version for pom example; fix code example; fix typos

hobinyoon/Hosebird-Client,sakshamgangwar/hbc,emptyflash/hbc,hobinyoon/Hosebird-Client,SoftwareWarlock/hbc,saifrahmed/hbc,atomicjets/hbc,twitter/hbc