Note about hardcoded userid

Merge branch 'master' of https://github.com/davr/slackups

Bump hangups version to handle auth changes

Update README.md

Abstract hardcoded user ID to single location

Better handling for empty profile pic

Move profile pic downloading to separate method

Commented out non-working code

Fix typo in default profile pic fallback. Try and load cookies to download private profile pics

Handle slack html entity escaping properly

Option to rename groups on topic change or not

Auto reconnect if slack RTM connection lost / errors out

Ignore any messages from hangouts that look like SMS / voicemail (only 2 users in chat, chat name is all numeric)

Retry failed hangouts->slack sends (eg if slack API is flaking out)

Remove old unused file