Modify window management of RecADCOnly window.

Slightly cleaned up appearance (for the Ultima, many of the options
are unavailable, but a large blank space was still left for them).
More important, the Record Signals window now retains memory of shape
and location between closing and reopening (feature requested by
Michelle Day).
Merge branch 'master' into recadc_window
Merge branch 'master' into recadc_window

Conflicts:
	RecADCOnlyUnit.pas
Resolution:
        Just comments, both sets kept.
Merge pull request #2 from darrincedwards/recadc_window

Modify window management of RecADCOnly window.