Minor refactorings for clarity
DataProviderManager#getAllDataproviders() returns generic Set
Use generic instead of raw lists in MessagesComponentHandler & Formatter
KPIManager#getAllKPIs returns generic instead of raw set
panelInstancesSet in WorkspaceImpl made generic
More generics in WorkspaceImpl
Refactored Section to use generic collections
Section get/setTitle returns generic instead of raw Map
Remaining Workspace related containers made generic
Fix merge conflict