Resolved JERSEY-2389.

- ApplicationHandler service locator can now be created as a child locator of a parent passed into AH via constructor parameter.

Change-Id: Icd803211658f7d61cd51e05fcd7db606c61b1313
Signed-off-by: Marek Potociar <marek.potociar@oracle.com>
Merge "Resolved JERSEY-2389."