fixes for studio features, new fields in convos, new middlwares

version 0.6.8 - botkit, now with web

fix for facebook and cisco

Bug fixes

Add support for Slack Dialogs

Small fixes for Facebook and Teams

Bug fixes and new apis

Introducing Teams + Message PIpeline

official 0.5.8

Fixes for Facebook attachments, Cisco Spark mentions, Cisco Spark pri…

…vate messages