changed  application properties dialog so that it no longer
                       has a OK/Cancel button, all changes are a result of
                       the actions of the modal dialogs off this.

changed application properties dialog so that it allows editing
                      of the grid templates

grid templates are persisted as part of the app.ini on close of app

added code to select a grid template or link template in graphedit
added code to select a grid template in path edit
- click on frame name or title to get pop up

Strictly speaking the grid flexibility functionality is not being used to its fullest yet and is really for future functionality with entity maintenance but I wanted to prototype it just now to see how it works.

centered some forms on display