Allow config options to be disabled; cleanup layout
Allow config options to be disabled; cleanup layout

Not everyone wants to use every config option; add
checkboxes allowing them to be disabled and handle
the disabled case gracefully.

Change settings window layout to use a table for a
slightly cleaner layout.

Signed-off-by: Pat Pannuto <6364fafe2fb638c2c195524856b7e850805ec613@gmail.com>

intarstudents/GSDesktop-Helper