Resolved JERSEY-1785, JERSEY-1816.

- Removed GF bundles from the project.
- Introduced web app example parent pom module.
- Added generation of individual example project sources ZIP and GF-specific project sources ZIP bits.
- Unified external container test profile.
- Added build.readme with a brief description of how to run various examples build profiles.
- Added umbrella example ZIP bundle

Change-Id: I58fb8fe70a1877c00435a1dc34a3b8871e1eef98
Signed-off-by: Marek Potociar <marek.potociar@oracle.com>
BeanValidation: Fixed jersey.config.beanValidation.disable.validateOnExecutableCheck.server
                property name in web.xml and README.html.

Change-Id: I437a1a07e384004c1ef39887664d1dcd11f22d80
Merge "Resolved JERSEY-1785, JERSEY-1816."
Merge "BeanValidation: Fixed jersey.config.beanValidation.disable.validateOnExecutableCheck.server                 property name in web.xml and README.html."