[#52973127] fix borrow search not showing

Squashed commit of the following:

commit 717ad0316b1c2496366a16b2a7cca2afd8577c32
Author: Sebastian Pape <email@sebastianpape.com>
Date:   Fri Jul 19 11:43:48 2013 +0200

    [FIX CI] modellliste.feature

commit 2896b64f20c2c0983f409801ef580e24c260fe80
Author: Sebastian Pape <email@sebastianpape.com>
Date:   Fri Jul 19 14:02:16 2013 +0200

    integration tests for not seeing models you dont have permissions for

commit a031bce8df5a3baf9bf9a92ca813892dde39b230
Author: Sebastian Pape <email@sebastianpape.com>
Date:   Thu Jul 18 15:39:51 2013 +0200

    fix seeing models i dont have access for

commit 7665936d8ea741e2801b715e9dd25d224ba13ff9
Author: Franco Sellitto <franco.sellitto@zhdk.ch>
Date:   Fri Jul 12 11:13:13 2013 +0200

    introducing user.models.borrowable joining partitions_with_generals sql view