SlackBotUpgrade

##SlackBot upgraded for personal use, including:

1. Indication of completion/failure of code execution
2. Logging outputs to a specific directory to help debug later

##Dependencies:

1. Slacker (v1.0) (https://api.slack.com/methods)
2. SlackClient (v2.0)
3. urllib2
4. time
5. socket
6. warnings
7. xml.etree.ElementTree
8. Subprocess
9. shlex (http://stackoverflow.com/questions/1996518/retrieving-the-output-of-subprocess-call)

##TO DO:

1. Add logging feature to default directory (use relative paths)
2. Combine logging with stdout display
3. Test lock handling feature