templates: refactor. fix usage of _layout and nested .ui-container

Squashed commit of the following:

- templates: media_resources: split _list from _wrapper
- remove obsolete templates
- sass: remove stray pixel line below .ui-tabs
- sass: fix nested .rounded .ui-containers
- sass: better css fix for nested .ui-container.rounded > .ui-container.bright etc.
- sets/entries: fix nesting of .ui-containers; consistent layout templating
- container nesting: fix /filter_set
- container nesting: fix /contexts
- container nesting: fix /entries/edit_multiple
- container nesting: fix /my
- container nesting: fix /explore
- container nesting: fix /custom_urls
- container nesting: fix /import
- container nesting: fix /media_resources
- container nesting: fix /media_entries
- container nesting: fix /permissions
- container nesting: fix /responsibilities
- container nesting: fix /search
- container nesting: fix /media_resources/browse
- inline unnecessary partials
Fix loading of all media entries if the set is empty for setting title image
Add randomization to explore index page's teaser set
Support cider-ci v2

Squashed commit of the following:

commit 8eba32b4bf184183cefa18e16dc87c63fa664941
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue Oct 28 10:55:33 2014 +0100

    Revert to cider-ci name

commit 3ef641466026b55f57313314d367d597050c2741
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue Oct 28 10:55:03 2014 +0100

    ...

commit 16d1ab54d41bcf50231d8e55333919e8d848dda7
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue Oct 28 10:54:22 2014 +0100

    ...

commit dd5f68538c7ed33c8fe7780023f0ac7854bbc8c7
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue Oct 28 10:15:52 2014 +0100

    Fix use XVNC_PORT instead of DISPLAY

commit e5f27d753554234bb707188ace7c2fd771d1a913
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue Oct 28 10:10:11 2014 +0100

    Set display port

commit 73c1d2e9b84038dd64778bd6872e25a5e70efb46
Author: Thomas Schank <DrTom@schank.ch>
Date:   Tue Oct 28 08:30:16 2014 +0100

    Change XVNC_PORT to DISPLAY

commit abc8c5ac386a273696a545e345c45aca93387770
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 20:38:33 2014 +0100

    Fix check ref

commit 4b2303bec2c23613bc32c04291cabb221b573dcf
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 20:36:34 2014 +0100

    Fix import

commit b2356b55b1d388aa06049eef9c475776b30f0a4d
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 20:35:44 2014 +0100

    Fix include

commit bfa694197b16d56a0639e9a1520eaff2f736b325
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 20:34:55 2014 +0100

    Fix includes

commit f7fd41f5ec2e638ec1189b3fcbb04863d083ed26
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 20:33:22 2014 +0100

    Fix yaml syntax

commit 4e1b5eef108cca9622c392508bca120ef9c9085c
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 20:31:10 2014 +0100

    Increase timeouts

commit 215a351a8fbc07f62d77d74c3b844a6a05801503
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 18:47:36 2014 +0100

    Relink cider-ci to v1

commit c3a2c0fb04955b7f24dc589b045cafad339501d6
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 18:43:49 2014 +0100

    Check completeness and cleanup

commit 29d62bc3f63b9644eca9674d0c939480397da7e4
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 17:49:48 2014 +0100

    Now test all

commit 912cbc1cd4e96a22e21a1ad03351892765ec1a36
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 17:01:36 2014 +0100

    Fix cucumber

commit 107299ae88368756b9732c7e9b10ab78579d3ebf
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 16:53:19 2014 +0100

    Include cucumber feature

commit bbee599828e217adb674d689571cf81c6823b587
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 16:45:59 2014 +0100

    Putting stuff in files ...

commit 5fda473b14ed481b487dabf84925df3bb1565f5e
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 16:04:55 2014 +0100

    include rspec features

commit 3b34f7911547868d551646d9d1e1ce16074d5e5b
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 16:00:07 2014 +0100

    Fix indent

commit d6774a422639a2ac9aa4a5ccb8e4f93dc722353c
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:53:16 2014 +0100

    Reorganize
    ...

    ...

    Reorganize

commit d23d171028c3e28114740a4d0592edada25f0e6a
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:46:37 2014 +0100

    Fix infspec

commit 8b9e95ec4f32e42d15857a22004ad332c3e0a8fd
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:42:00 2014 +0100

    Remove show

commit a10c137da0a9877422c4fa83e606828b294ab920
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:39:07 2014 +0100

    Set ports

commit 1bbbef7b9edda31e47611137246e39761674a3b8
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:35:27 2014 +0100

    overwrite

commit 62e780c5f5cac528916ddf1dd3feabdaee2d8965
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:32:48 2014 +0100

    Show env

commit 39b6b97538dd3d4d16a8e0d7a76df49fe0d0a26b
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:27:56 2014 +0100

    Remove interface option for tightvnc

commit c866728a8d1279d578c05d3f97ffff8ebd0946c6
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:23:53 2014 +0100

    Add one feature test

commit 28cbfba19c3be64d61e5567216d7144942791596
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:19:27 2014 +0100

    Add rails env var

commit d6b5642478cdf4d8215c070c94db7c0d908ab2ad
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 15:00:30 2014 +0100

    Fix indent test_spec

commit 6061de7c152c65c91d22c3ccc3d59a4e0edd52a9
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Oct 27 14:57:32 2014 +0100

    Continue with ci2

commit 11766da9c8c8a93efd74e24ab2430ede688625e0
Author: Thomas Schank <DrTom@schank.ch>
Date:   Thu Oct 23 13:57:28 2014 +0200

    Test template

commit cc4c32b8a3d9b5516ccc661978726871fa0af753
Author: Thomas Schank <DrTom@schank.ch>
Date:   Thu Oct 23 13:42:51 2014 +0200

    prepare dirs