Added more gallery content and made several minor tweeks.

- Added a second event on the gallery page.
- Made gallery/index.html look beautiful! fixes #8
- Changed appearance of horizontal rules on several pages.
- Fixed the display of the YouTube button on the home page for IE users. (Seriously, who still uses IE though? Old people and those under the age of born.)
- Made the live Minecraft map on dynmap/index.html perfectly fit the screen until the page get's beautified.
- Changed the color links are displayed as both before and after clicking for all pages.
- Swapped the XVM_9.3.zip and XVM_9.4.zip files with updated versions.