* [WEB] add UI for transcription
* add analytics event for button, do not use global APP object
* use props instead of state, use local conference to kick participant
* put imports in alphabetical order
* add translation for TranscribingLabel
* fix merge conflict
* add closed caption button
* purge OverFlowMenuItem which starts and stops Transcription
* readd closed caption icon and fix small issues due to purge
* delete unused icon in _font.scss
Nik