Added pageView:ready event

Squashed commit of the following:

commit 46d38c38c903de4c636c092080383207fbe499a3
Author: Daryl Hedley <darylhedley@hotmail.com>
Date:   Thu Dec 5 11:46:23 2013 +0000

    Merge branch 'develop' of https://github.com/adaptlearning/adapt_framework into feature/8814

    * 'develop' of https://github.com/adaptlearning/adapt_framework:
      Updated device.js &  support for plugins .less

    # Please enter a commit message to explain why this merge is necessary,
    # especially if it merges an updated upstream into a topic branch.
    #
    # Lines starting with '#' will be ignored, and an empty message aborts
    # the commit.

commit 606522839ae19b2c5f1b2725a14d2c5e1eb26d31
Author: Daryl Hedley <darylhedley@hotmail.com>
Date:   Thu Dec 5 11:43:37 2013 +0000

    Revert "Added comments"

    This reverts commit 8807b52636a8ee6d8fa8653f51bf2b6db6dee961.

commit 8807b52636a8ee6d8fa8653f51bf2b6db6dee961
Author: Daryl Hedley <darylhedley@hotmail.com>
Date:   Thu Dec 5 11:16:04 2013 +0000

    Added comments

commit 3d09fb3544e4710a6fbdd5d542dd49927c4b662f
Author: Daryl Hedley <darylhedley@hotmail.com>
Date:   Wed Dec 4 14:25:09 2013 +0000

    Updated page view to trigger 'pageView:ready'