clear avatar cache with new roster push from server
bump to version 0.9-alpha to differentiate stack traces. no feature freeze or anything else
Notification icon: Dashed-solid version

Keeping this icon in case it's needed later
Notification icon: Solid version
Updated launcher icon: Bigger circles
Update README.md
context menu for conversations. fixed #630
Merge branch 'development' of https://github.com/qooob/Conversations into qooob-development
Merge branch 'qooob-development' into development
added rendered versions of new icons