Timezone update

v0.0.4

Merge branch 'master' of github.com:kelvinss/node-discord-quoter-bot

Date format update

• Date format environment variable (DATE_FORMAT)
  • docs
  • dafaults to calendar which will format like this
• environment variable for default string that replaces empty quote message

Update message update

• edit messages instead of deleting and resending
• show quoted user's discriminator
• improved footer