Jersey examples assembly config update.

- added project with assembly descriptors to be referenced from assembly plugin config.
- updated assembly plugin config to use the descriptor references.
- switched to use "single" assembly plugin goal instead of the deprecated "attached" goal.

Change-Id: Id8d8a7b4f3c7f7b86245ee5ddea3c7ebe57418b8
Signed-off-by: Marek Potociar <marek.potociar@oracle.com>
JERSEY-2025: fixed "ResourceMethodStatistics does not work correctly for sub resource locators"
	PS2: copyright headers fixed
	PS3: review comments incorporated
	PS4: fixed failing test

Change-Id: I6ce487e72ecf1c3c56c508ba7bb7388706250bc1
Merge "JERSEY-2025: fixed "ResourceMethodStatistics does not work correctly for sub resource locators" 	PS2: copyright headers fixed 	PS3: review comments incorporated 	PS4: fixed failing test"
Merge "Jersey examples assembly config update."