Updated border on accordion body items

Squashed commit of the following:

commit ee6b8d7f13a1e20fce02d32cf3e0fba782d46309
Merge: f2f1e9d 535a91f
Author: Daryl Hedley <darylhedley@hotmail.com>
Date:   Thu Jan 23 12:20:10 2014 -0800

    Merge pull request #18 from adaptlearning/issue/17

    Fixes #17

commit 535a91ff479ec903199e37c8e937edf2b145e7b2
Author: Kevin Corry <kevinc@learningpool.com>
Date:   Thu Jan 23 16:34:13 2014 +0000

    Fixes #17

commit f2f1e9df918a5a6108b2c7cf1953ad096e34d5c6
Merge: 5a2a8b5 6ab1370
Author: Daryl Hedley <darylhedley@hotmail.com>
Date:   Wed Jan 22 11:12:22 2014 +0000

    Merge branch 'develop' of https://github.com/adaptlearning/adapt-contrib-accordion into develop

    # By Kevin Corry
    # Via Chris Jones (1) and Kevin Corry (1)
    * 'develop' of https://github.com/adaptlearning/adapt-contrib-accordion:
      Updated visited logic - fixes #15

commit 6ab13706e01d1b3dfa9a80c8edd54d356b91bc8b
Merge: 8e7dcff 8749ba6
Author: Chris Jones <cajones@users.noreply.github.com>
Date:   Mon Jan 20 07:20:50 2014 -0800

    Merge pull request #16 from adaptlearning/issue/15

    Updated visited logic

commit 8749ba67a63aa0c9ab509e33ff5536c4d00311cf
Author: Kevin Corry <kevinc@learningpool.com>
Date:   Mon Jan 20 12:11:36 2014 +0000

    Updated visited logic - fixes #15