Removed screen icon call.
Added fields for new settings (delay, autofocus, position).
Added support for autoFocus and Delay options.  This fixes #11 and fixes #10.
Merge branch 'development'

* development:
  Added support for autoFocus and Delay options.  This fixes #11 and fixes #10.
  Removed screen icon call. Added fields for new settings (delay, autofocus, position).