[2.2.2] set release version
[2.2.2] set release version

samsonasik/zf2-documentation,samsonasik/zf2-documentation,akrabat/zf2-documentation,rettal/zf2-documentation,akrabat/zf2-documentation,Rud5G/zf2-documentation,Rud5G/zf2-documentation,rettal/zf2-documentation