BUG-692 Change unprotected netconf address from 0.0.0.0 to 127.0.0.1 .

Plaintext netconf server was bound to any local interface. This is a security risk
because there is no authentication. The ssh server should be used as public endpoint instead.

Change-Id: I6f710cd25ed85ff022abde2bfb79c11bf5bda611
Signed-off-by: Tomas Olvecky <tolvecky@cisco.com>
Signed-off-by: Moiz Raja <moraja@cisco.com>
BUG 388: corrected media type in /operations resource

There were added these media types for /operations resource:
application/yang.operation+json
application/yang.operation+xml
Corrected handling of requests which have empty body and Content-Type has some value or is missing

Change-Id: I8a42a6c51219a0a1828f2d7f70d6eaee8bcae62c
Signed-off-by: Martin Sunal <msunal@cisco.com>
Signed-off-by: Moiz Raja <moraja@cisco.com>