JBT 4.2.1.Final and JBDS 8.0.1 release blog

you ned to add _data/taem/akazakov.adoc file with basic author info

Like: 

```
= Alexey Kazakov
:page-photo_64px: https://developer.jboss.org/people/akazakov/avatar/64.png
:page-photo_32px: https://developer.jboss.org/people/akazakov/avatar/32.png
:page-developer_page: https://developer.jboss.org/people/akazakov
```