Which wraps a widget in a group large enough to contain the child widget's
label.

Which wraps its children and resizes itself vertically to contain them.

A recent selection model change interfered with the ability to edit
the Y-axis of control points.

Sometimes the situation could arise where a log ID referred to by a
log entry's property list coincided with the temporary log ID
associated with the object being created--usually resulting in an
immediate segfault. Assigning the final log ID BEFORE setting the
properties prevents this from happening.

Also, fix journalling bug in region splitting.