[#74931882] match packaged items on inventory search

Squashed commit of the following:

commit 1c71582df8cc43c73921fa634ac7859588852f26
Merge: db8ae97 2299d9e
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Sat Jul 19 11:13:15 2014 +0200

    Merge branch 'master' into fs_74931882_inventory_search

commit db8ae972751ba732d76eb890d6e7803bfa500755
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Fri Jul 18 21:50:36 2014 +0200

    personas dumps and cider tasks

commit 3124aa6bd87899e3ab08aea72861eb1476ca2480
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Fri Jul 18 14:08:13 2014 +0200

    match packaged items on inventory search

commit a0e42bedcb1770a5956244ca0cd36f247e4dc2df
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Wed Jul 16 15:35:38 2014 +0200

    (wip) dry inventory search steps