SHDP-280 Add boot classpath config props

- Add settings for defaultClasspath, includeBaseDirectory
  delimiter.
- Tweak client and appmaster auto-configuration to use these
- Tune tests
SHDP-279 Better control for localized files

- New config key localizerPatterns for client and appmaster
  which defines a list of patters to choose files
- Additional config keys for localizerZipPattern, localizerPropertiesNames
  and localizerPropertiesSuffixes
- LocalResourcesSelector interface which can be used
  to define more custom functionality
- BootLocalResourcesSelector as default