Modify logger to post info messages and messages on a topic

[NathanDuPont]

Posting info messages is helpful, but is very cluttered with other rosout information. Posting to a topic should narrow down the information on the screen to only needed information

• Add initialize function for the logger
• Initialize publisher for the logger in initialize function (see MotorNode.cpp : Line 13)
• Advertise publisher in initialize function (see MotorNode.cpp : Line 47)
• Add logic in logInfo to publish to the publisher (see MotorNode.cpp : Line 24)
• Add Logger::initialize() to NodeManager::initialize() after existing logic