[#75898268] clickable dropdown for inventory pool selection

Squashed commit of the following:

commit 3c9b00230a9d2d5427b400e58b899dc0fda8440d
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Thu Aug 14 13:25:10 2014 +0200

    styleguide adaptation

commit 1158db08cd4f583302283ef15733e5592ee22cdf
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Thu Aug 14 13:25:01 2014 +0200

    add icon color black style

commit a4de449520345320d8a94dad9be521dfcf906b76
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Thu Aug 14 13:24:47 2014 +0200

    more reusable class name .bs-dropdown-holder

commit 445c0aae3f3d3843db62138080c9007c9ecd1ec0
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Thu Aug 14 12:57:21 2014 +0200

    icon

commit 570128d5451cce621c3686eba1ad0d0cf59c01e1
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Thu Aug 14 11:11:35 2014 +0200

    test prepare

commit 481bac64a408b21f3d125945b827ac481db28b21
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Thu Aug 14 10:50:10 2014 +0200

    [FIX CI] inventar.feature & speed up toggler

commit cb94bf105b7ad60f15c9ca909b0f1b87af47db96
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Aug 13 16:34:24 2014 +0200

    test prepare

commit a713e5058dfa3a0e31db0094a622d6a83e83dcc5
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Aug 13 16:27:26 2014 +0200

    fix ci

commit e80aeecaf05bae5eb969bbaf5d35a44e9a45c668
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Aug 13 15:57:07 2014 +0200

    second test

commit 193725d75b3fcb600d8f702fd1867307c445dd9c
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Aug 13 15:41:01 2014 +0200

    first test

commit 71e3e190878b6b378e5ad46e456cdbae7a1e55df
Merge: 38130e3 14bffb4
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Aug 13 15:14:28 2014 +0200

    Merge branch 'master' into mk_clickable_dropdown

commit 38130e37a1aa1ce91f78a78b53868d135969ccde
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Aug 13 13:51:15 2014 +0200

    bs dropdown for ip selection

commit 3d867aad725538c2392b44ef67a4995da8412cda
Author: Matus Kmit <matus.kmit@zhdk.ch>
Date:   Wed Aug 13 13:51:03 2014 +0200

    bootstrap dropdown integrated to leihs