2.0.1

• Adds ability to generate messages dynamically (without catkin),
  like the static messages gerated by gennodejs
• Updates ServiceClient calls to queue
• Updates xmlrpc master/slave code so that calls are queued/retried in order
• Exposes access to log streams
• support ROSCONSOLE_JS_FORMAT environment variable
• simplifies host name logic
• more TCPROS header validation
• calculate full message definition for pub,sub headers
• better support for multiple pubs, subs on the same topic
• migrates source code into src/ for cross nodejs version compatibility
• integrates ros_msg_utils from a previously separate repo
• adopts bn.js for 64-bit integers
• adds a basic Time interface
• adds ability to namespace through NodeHandles