Much Update - 15 Sunday December 2013

*  Bug fixed
*  Option to clear browser history
*  Option to clear browser cookies
*  Added more people to the Credits window
*  Updated Credits window
*  Updated License window (Well originally there was no license window
at all.)
*  New Changelog window
*  Added more icons to menu items
*  Internal improvements and possibly speed improvements, IDK for both
of them (I think I have improved something)
*  Enabled GeckoFX's built-in context menu
*  Ability to save the source code as an HTML file (Going to be improved
later)
*  Ability to save the page preview as an HTML file (Going to be
improved later)
*  Added an icon to the Dup executable
*  Added the ability to restart Dup from the Dup menu
*  Shifted the menu item "Status bar" into the "Toolbars" menu
*  When viewing page info the main form/window doesn't get disabled (IDK
why I changed this in the first place)
*  Added a link to the Dup GitHub repository

Signed-off-by: Tristan B. Kildaire <tristankildaire@gmail.com>