BUG #15032: Fixed usability issues with settings dialog.

+ Removing duplicate labels reported in the bug.
+ Also added ability to show labels next to the text for a widget in the
Settings dialog which makes it easier to refer to the settings rather
than having to resort to using long text  like "Set the compression
method used blah blah...".

Change-Id: I420c3988f8c453958eb5720fd3b9a7a0ec6a6188
Merge topic '15032_fix_settings_dialog' into next

c49e9c1b BUG #15032: Fixed usability issues with settings dialog.