Migrated mtconnect_msgs stack
migrated mtconnect ros bridge
added comments and fixed bug in code that affected which part of the msg was being published
changed subscriber python code to a class with thread protected messages
separated the yaml file loading into a separate file since it will be used by both publisher and subscriber
added ros subscriber configuration file
updated the rostopic relay configuartion file with data setup comments
cleaned up the comments
Added cnc specs and modified the other classes to support.
Merge branch 'svn_git_migration'