JERSEY-1916: "Provide WLS specific ServletContainerInitializer"
Changes to run servlet-3-init-provider integration test in external gf4 by hudson job (jersey2-gf4-integration-servlet-3-init-provider).

Change-Id: I8fc94f9eaad57bfba52d1eab92caf44dcd8e1f5c
Partial fix for JERSEY-1905: Using HK2 "Proxy for the same scope" switch.

Change-Id: Ic688d1232fc0d7e4dd06011987bd0575d7e8aa72
Merge "Partial fix for JERSEY-1905: Using HK2 "Proxy for the same scope" switch."