[php-horde-turba/el6] - Update to 4.2.0 - add dep on content, Horde_Vfs - raise dep on Horde_Core

[Remi Collet]

Summary of changes:

  a9fe622... - Update to 4.2.0 - add dep on content, Horde_Vfs - raise d (*)

(*) This commit already existed in another branch; no separate mail sent