ui: vocabulary: terms: popovers: fix 'stay after hover' error; better style; upgrade libs

commit ee0f9b855173a9f09c23a44a595f837668e30720
Author: Max F. Albrecht <1@178.is>
Date:   Thu Jul 24 11:58:27 2014 +0200

    make sure popover stays within body w/ 10px padding

commit d96e3929c8c661efb9a0c30e326deac308257665
Author: Max F. Albrecht <1@178.is>
Date:   Wed Jul 23 17:43:51 2014 +0200

    vocabulary: popover: small padding on top, xtrasmall on left

commit 72b6581e48d46c4191fede1df550ef5749f3c587
Author: Max F. Albrecht <1@178.is>
Date:   Thu Jul 24 11:36:16 2014 +0200

    remove unused CSS

commit 179219681ec9305dbd118a996b5e388a86e1dde4
Author: Max F. Albrecht <1@178.is>
Date:   Thu Jul 24 11:35:41 2014 +0200

    fix stay-on-screen-error, better use of .popover library, no animation

commit 268583e9f2eb1dc9cf4fb854fe07806188e9fa9b
Author: Max F. Albrecht <1@178.is>
Date:   Thu Jul 24 11:35:57 2014 +0200

    upgrade dependencies

commit c88eacc3fa7cc04d7c63d96862ff14d1e901a6c8
Author: Max F. Albrecht <1@178.is>
Date:   Wed Jul 23 17:43:24 2014 +0200

    vocabulary: fix filter mode buttons: reset filter before applying 'used'