Update Readme

• readme and package updates

Generate YAML

• add ability to generate a YAML file for uploading emoticons to Slack

Logging Style

• small styling update to logging

Initial Commit

• Logs into hipchat and get list of emoticons using nightmarejs.
• Downloads emoticons to ~/Downloads/Hipchat_Emoticons.
• Renames emoticons to get rid of there weird hipchat filenames.
• Grabs highest quality versions.