place confirmation dialog button UNDER the actual button
added basic functionality to create a Context from a Stackr
added div to contain functional buttons next to context
added handler for deleting context
implemented deletion of Contexts -> delete all Stackrs and Comments of all Stackrs

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removed border for context add link
toggle context options on hover on context; display confirmation button under action button
increase padding top for confirmation button
removed unneccessary css classes for display dialog
added jquery dialog to display more informative options when creating contexts from stackrs
copy a Stackr associated with a Context A to the freshly created Context B
trim title and description when adding Stackr
trim title and description when creating Context
fixed: getting wrong attribute cnid -> cname