[#74932978] csv export

Squashed commit of the following:

commit a62e68b49053692b26f7b556a2a20eb95a32b594
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Mon Aug 11 15:07:58 2014 +0200

    [FIX CI]

commit 58f01476b7ce4b8b6436869fda3da2954e86d757
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Mon Aug 11 14:46:41 2014 +0200

    [FIX CI]

commit 4c74cb4e4f3c5153f097a893858d475c227b940c
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Mon Aug 11 14:15:37 2014 +0200

    rspec syntax

commit b0534c2e4809bbd128e87acd89669dc70a7471a7
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Mon Aug 11 13:49:23 2014 +0200

    [FIX CI]

commit 226da77de9b276d3eb0aadf7e2a8cfbc8ed09971
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Mon Aug 11 13:10:00 2014 +0200

    rspec syntax

commit 1821d5a6fe14d3e8c1528c8ab6322d4fd5cc4716
Merge: 0f5569f 4cf10d6
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Mon Aug 11 12:39:14 2014 +0200

    Merge branch 'master' into fs_csv

commit 0f5569fd94774a6b686c2f2c4765d2ffe92e877b
Merge: e14b61e f145b8a
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Fri Aug 8 14:49:11 2014 +0200

    Merge branch 'master' into fs_csv

    Conflicts:
    	features/examples/inventar_csv.feature

commit e14b61e402a738e62488eb0507c104899361b5fc
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Thu Aug 7 14:34:20 2014 +0200

    refactoring csv generator to model