1. Collection and invite mission completed.
2. Add app icon
3. Add new timezone and edit custom layout
4. edit DB file
update room story, setting(picker&notification).
Merge branch 's81375' of https://github.com/din1030/helloEarthman

* 's81375' of https://github.com/din1030/helloEarthman:
  update room story, setting(picker&notification).