fix missing version for mysql-client packages;
missing version for mysql-client packages fixes #198;
Merge branch 'feature/ubuntu-14.04' of https://github.com/ffuenf/mysql into feature/ubuntu-14.04

* 'feature/ubuntu-14.04' of https://github.com/ffuenf/mysql:
  fix missing version for mysql-client packages;
Merge branch 'feature/ubuntu-14.04' into feature/debian-7

* feature/ubuntu-14.04:
  missing version for mysql-client packages fixes #198;
  fix missing version for mysql-client packages;