- updated documentation on REST Login Auth controller
- added "IsConfigurable" (default True) to ContextAttribute so that DashboardBlocks can have a ContextAttribute(IsConfigurable=false) since the config is determined by the selected metric
- updated documentation on SecuredAttribute that explains what it does
- part of the ContextAttribute(IsConfigurable) commit
- updated Populate_Metrics to create better PieChart metrics
- Refactored PieChart so that each slice is a metric in the configured Metrics for the block
- made PieChart a little easier to use