* add a component for hangouts

* add a notify component for hangouts

* add an extra message as title

* add support to listen to all conversations hangouts has

* move hangouts to package and add parameter documentation

* update .coveragerc and requirements_all.txt

* makes linter happy again

* bugfix

* add conversations parameter to command words

* Move the resolution of conversation names to conversations in own a function

* typo

* rename group of exclusion form 'id' to 'id or name'

* refactoring and use config_flow

* makes linter happy again

* remove unused imports

* fix not working regex commands

* fix translations

* cleanup

* remove step_init

* remove logging entry

* clean up events

* move constant

* remove unsed import

* add new files to .converagerc

* isort imports

* add hangouts_utils to ignored packages

* upadte doc and format

* fix I/O not in executor jon

* rename SERVICE_UPDATE_USERS_AND_CONVERSATIONS to SERVICE_UPDATE

* move EVENT_HANGOUTS_{CONNECTED,DISCONNECTED} to dispatcher

* add config flow tests

* Update tox.ini