First Production Release

• Bumped version to v0.4.0
• Used MySQL for production
• Added production dependencies (:conform, :exrm, :mariaex)
• Modified migrations to remove non-MySQL compatible queries (i.e. drop_if_exists)
  • Specified up and down migrations for several migrations
  • Removed migration with drop_index_anonymous_id_from_users because the column anonymous_id didn't seem to exist
• Updated README.md
• Implementing new version format:
  • Currently major version is 0 (For Ariana release)
  • Minor version 4 (changed with new additional minor features)
  • BugFix version 0 (changed with bugfixes/hotfixes)