Add concepts, keywords, new sentiment logic, and emojis
Merge pull request #70 from leeju/twilio-add-responses-emoji

Add concepts, keywords, new sentiment logic, and emojis
remove gmail checker
Merge pull request #71 from leeju/twilio-add-responses-emoji

remove gmail checker
Remove all emoji unicode
Merge pull request #72 from leeju/twilio-add-responses-emoji

Remove all emoji unicode