Update list components

[cshawaus]

The current list components work but don't provide enough extensibility from a framework perspective. It would be good if the following could be achieved.

• Add toggle for tags as to whether the details component will be searched in addition to cq:tags in page properties
• Migrate feeds to servlets
• Ensure all dialogs are following consistent conventions and have associated design dialogs
• Custom policies disable any authored inputs for parody
• Models are easily overridable and extensible
• Create a method by which custom badge structures can be used for any list

Further improvements to come!