Hotfix for resolving of remote yang schemas.

Added hotfix for proper resolving of yang schemas when they are stated as identities and prefixed.

Change-Id: If5dc421095f273bb720f54c104a96a61c94dc5e5
Signed-off-by: Lukas Sedlak <lsedlak@cisco.com>
Merge "Hotfix for resolving of remote yang schemas."