Refactor BridgeRequestScope to better encapsulate whether or not the portlet container implements Post-Redirect-Get

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: bridge-impl-2.0.0, bridge-impl-3.0.0, bridge-impl-4.0.0
• Fix Version/s: bridge-impl-2.1.0, bridge-impl-3.1.0, bridge-impl-4.1.0
• Component/s: Liferay Faces Bridge Impl / Demos / Tests
• Labels: None

This task improves the design of the bridge implementation so that the BridgeRequestScope will better encapsulate whether or not the portlet container implements the Post-Redirect-Get pattern. Portlet containers such as Pluto implement Post-Redirect-Get by default by Liferay Portal does not. This is a continuation of the work started in FACES-2840.