[#53375659] Fix bug: Shelf update problem
[#53375659] Improved test
[#53375659] Fix: Deal with new items
[#53055509] modellist hover fix property keys

Squashed commit of the following:

commit a06822a30b82aada74c5bec878e3863a0db33a3f
Author: Sebastian Pape <email@sebastianpape.com>
Date:   Fri Jul 19 14:15:10 2013 +0200

    [#53055509] modellist hover fix property keys
[#53282857] forward current url params to language switcher

Squashed commit of the following:

commit 16c592f87ca7549a7ead7d628fc9cb85bb8394d2
Author: Sebastian Pape <email@sebastianpape.com>
Date:   Fri Jul 19 15:21:53 2013 +0200

    [#53282857] forward current url params to language switcher
[#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
[#52717037] [#53385393] [#53050507]

Conflicts:
	Gemfile
	app/views/borrow/orders/unsubmitted_order.html.haml
	db/structure.sql
	features/borrow/bestelluebersicht.feature
	features/borrow/timeoutpage.feature
	features/borrow/verfuegbarkeit.feature
	features/step_definitions/borrow/bestelluebersicht_steps.rb
	locale/de_CH/leihs.po
	locale/leihs.pot
[FIX CI] bestelluebersicht:53
[FIX CI] kalender.feature:60
[FIX] incorrect floating of categories on borrow start
add 'max.' to calendar option
[#52701759] testing order basket
[#53461323] testing submitted orders list
[#52700989] borrow inventory pools index
[FIX CI] borrow_start_path is now borrow_root_path