* Added a new type of View called an AnalysisView
Syntax for new View:

    <View Type="Analysis" Title="Analysis" AnalysisAttributeName="truchasAnalysis" AnalysisAttributeType="truchasAnalysisDefinition">
    </View>
* Made the following Changes to Attribute Resources:
  * An Analysis can now be derived from an existing one - this means that it's set of categories include those of its parent
  * Added the ability to get a list of Analayses that are top level (meaning they have no parents)
  * The ability to create an Attribute Definition based on the Analysis Information with Group Items representing Analyses with Children and Void Items to represent Analyese without Children
* I/O XML and JSON classes now save and retreieve Analysis Children Information
* Made the following changes to qt::UIManager
  * Ability to enable/disable Catagory Checking
  * Ability to set Top Level Categories  - this set resticts which categories are displayed (or selectable)
* qtGroupView nolongers displays empty Tabs