Merged Michael's back_button_to_the_media_archive

Conflicts:
	app/views/layouts/app_admin.html.haml
	features/step_definitions/i_see_steps.rb
Added admin_interface feature to the domina tasks
Integrated Piotr's color and contrast

Squashed commit of the following:

commit 938230f2850cdc71d2b6eeeeb656323406962458
Author: Piotr F <piotr@piotrf.pl>
Date:   Fri Nov 22 13:47:57 2013 +0100

    Add contrasted colour scheme and color variations.

    Conflicts:
    	app/assets/images/backgrounds/thumb-catalog-backg.png
    	app/assets/images/backgrounds/thumb-catalog-backg@2x.png
    	app/assets/stylesheets/_config.sass
    	app/assets/stylesheets/application.sass
    	app/assets/stylesheets/combos/_ui-clipboard.sass
    	app/assets/stylesheets/combos/_ui-featured-entries.sass
    	app/assets/stylesheets/combos/_ui-resources-common.sass
    	app/assets/stylesheets/combos/_ui-resources-grid.sass
    	app/assets/stylesheets/combos/_ui-resources-list.sass
    	app/assets/stylesheets/combos/_ui-resources-miniature.sass
    	app/assets/stylesheets/components/_ui-body-title.sass
    	app/assets/stylesheets/components/_ui-containers.sass
    	app/assets/stylesheets/components/_ui-tabs.sass
    	app/assets/stylesheets/components/_ui-thumb-catalog.sass
    	app/assets/stylesheets/components/_ui-thumb.sass
    	app/assets/stylesheets/general/_buttons.sass
    	app/views/application/header/_user.html.haml
    	app/views/layouts/styleguide.html.haml
Reordered all translation files lexically
Translate on the fly (js) and invalidate translation cache (rb) when in development mode
Renaming and (re)translating some aspects of the permission views

Translated "Permissions and responsibility"

Consistent translation of permission properties

More translations for permissions
Trying to get the delete feature test more stable
Adjustments and fixes of retina_assets wrt permission views

Squashed commit of the following:

commit 8b503947efa5ec51bc58a8dc58ef207f6f173662
Author: Piotr F <piotr@piotrf.pl>
Date:   Thu Nov 28 13:26:37 2013 +0100

    Tweak mixed values checkbox style in the permission management module.

commit 669f6ad160e2dc67c9900cc18b8b69e54bd10cb1
Author: Piotr F <piotr@piotrf.pl>
Date:   Thu Nov 28 12:37:44 2013 +0100

    Tweak globe icon appearance in the rights management module.

commit 074c2385fe97065f018bd0c75fb58be2cc851eeb
Author: Piotr F <piotr@piotrf.pl>
Date:   Thu Nov 28 12:37:26 2013 +0100

    Remove 'my archive' link from Permissions View.

commit 27b23f597c26597e64843d949deac949c72ec630
Author: Thomas Schank <DrTom@schank.ch>
Date:   Wed Nov 27 14:57:56 2013 +0100

    Fix display of globe in permissions

commit ee2dc61a73d0bf00c087d3a52c92907ff53e337f
Author: Piotr F <piotr@piotrf.pl>
Date:   Wed Nov 27 12:17:44 2013 +0100

    Fix globe icon missing in permissions screens.

commit dc7afd6f78a386aa0ee542db864451d5e7e0b148
Author: Piotr F <piotr@piotrf.pl>
Date:   Wed Nov 27 12:17:19 2013 +0100

    Fix close modal icon missing.
Allow and allow only the :settings for updating a filter set
Upgrading domina (port management, timeout ...); using RUBY_VERSION env-var

Squashed commit of the following:

commit 92ea812b6372a38deec78e9faab27326e9459448
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 2 13:16:37 2013 +0100

    fix

commit da054d632136b83869abbcc740e0e0f766745e3c
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 2 13:15:41 2013 +0100

    Revert "Switching from firefox to chrome"

    This reverts commit 5b8680498558c171a537d402f58173a7bb61617c.

commit 1f5b2499884b52b24fcc9679b090cdda2b5c5dda
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 2 13:15:25 2013 +0100

    Revert "Updated selenium webdriver"

    This reverts commit 7de1718a551f1b156c6c69aade114cd736b89528.

commit 7de1718a551f1b156c6c69aade114cd736b89528
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 2 13:04:57 2013 +0100

    Updated selenium webdriver

commit 5b8680498558c171a537d402f58173a7bb61617c
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 2 12:42:52 2013 +0100

    Switching from firefox to chrome

commit 1b03e44f2cf5194b8e59a2980b7f22b72879b6b8
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 2 11:13:11 2013 +0100

    fix

commit c1137fe35adf0427120286ee6a09eed07ecb3544
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 2 10:28:49 2013 +0100

    Domina: define ruby version as env_var; increase timeout for bundler

commit 24ee08ddbf83f8d038ee82a522cddb47c9f371ed
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 2 10:08:53 2013 +0100

    Domina: using the ports feature for getting a xvnc port
Switching from chrome to firefox in some cases for more stable tests
Domina specification: features are now ordered before specs so they will be executed first
admin can filter groups by their type
add ability to filter groups by their types