JERSEY-1916: "Provide WLS specific ServletContainerInitializer"
Internal SPI ServletContainerProvider introduced.

Change-Id: I09954d1e460a496be1b3d89a34180fbdd28e0b23
Fixed JERSEY-1962.

- Documentation updated to mention proper provider ordering.

Change-Id: I635a0bfe404053b34334df4968075174fb091b00
Signed-off-by: Marek Potociar <marek.potociar@oracle.com>
JERSEY-1490: expose configuration and diagnostics MBeans

- PS2: review comments incorporated.
- PS3: test fixed
- PS4: mxbeans structure changed, MonitoringFeature changed

Change-Id: I4b00287a0e8427e980948c66452df852970942d4