Moved "Options" button on Title Page to bottom-right corner.
(1) "Options" button on Title Page must now be double-clicked to access
the Options Page.  (2) Fixed issue where button background was not
always transparent when clicking the Next Letter and Previous Letter
buttons.  (3) Updated application version number for iteration 3.
Added child-lock on Options Page.
Merge pull request #42 from CS673/options_child_lock

Options Child Lock