Fix checkstyle warnings in netconf-impl.

Change-Id: I921b51e79475bdc7a0a03398bb6a709836bffdb2
Signed-off-by: Marian Dubai <mdubai@cisco.com>
Fix checkstyle warnings in netconf-it

Change-Id: I73f4325f6ff3ca7139b4e4ccf459fa8a10e36696
Signed-off-by: Marian Dubai <mdubai@cisco.com>
Fix checkstyle warnings in netconf-mapping-api.

Change-Id: Ic0e339063aa79bc0c0338c33486e43fcdd29ef56
Signed-off-by: Marian Dubai <mdubai@cisco.com>
Fix checkstyle warnings in netconf-monitoring.

Change-Id: I57cdbd26a841cb8fa6b0435089832c635302594b
Signed-off-by: Marian Dubai <mdubai@cisco.com>