Added connect & disconnect buttons on logs panel
Merge branch 'master' of github.com:raiseandfall/team-data-capture

* 'master' of github.com:raiseandfall/team-data-capture:
  add screen ratio and reuse trail element
Merge branch 'master' of github.com:raiseandfall/team-data-capture

* 'master' of github.com:raiseandfall/team-data-capture:
  putt two in root
  use canvas