Migrate SLI to OpenDaylight Phosphorus

Updated ccsdk/sli to use Phosphorus SR1 version of parent poms and
updated Java Reflection code to handle changes in Phosphorus:
- use Uint8/Uint16/Uint32/Uint64 classes in place of
  char/Short/Long/BigInteger, respectively
- add code for toMap method to handle change in representation
  of yang list from java List to java Map
- Add new YangUtils class to replace removed ODL yangtools SchemaUtils class
- Update restconf-client due to changes in yangtools

Issue-ID: CCSDK-3567
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: Iea581c7f39b1038ce95cc0ca6728fe56dd023f3e
174 files changed