Bug:1252 - Fix formatting errors in config code generator

Fix intendation and double semicolons in yang-jmx-generator-plugin.

Change-Id: I77ad31eaa62a41d0149f57754f5ec727e07ad292
Signed-off-by: Tomas Olvecky <tolvecky@cisco.com>
Merge "Bug:1252 - Fix formatting errors in config code generator"