MainAppWindow2.java: implemented the behavior for the profile
selector/editor components add filter, remove filter, move a filter up
the list queue, move a filter down the list queue. In addition, when any
of those components are edited the profile summary will then change.
Implemented the behavior for selecting the user guide menu item.

UserGuidePanel.java: introduced and implemented this class as a panel
displayed in the report/progress tabbed pane that displays the dfScan
user guide (help.html).

TabbedPanel.java: abstracted out the panel disposal/closing action of
the TabbedPanel and also the tab's close button action. Restructured the
class suchthat the tab's label text is now enclosed within the TabLabel
and is only mutable through the TabbedPanel.

ProgressPanel.java: removed the detection profile label.