Rewrite everything. Fixes #3, #7, #16. Refs #30, #42.

Issue #3: fixed by using awesome Minecraftia by Andrew Tyler as webfont,
no more need in separate images - this simplifies ability to add new
menu entries and will help to fix #21 and #22.

Issue #7: as simply as using `:hover`.

Issue #16: new page will probably looks good in IE, at least last
version, so no need in disclaimer block at all.

Issue #30: Since we have all stuff within one page, there is no more
need in do something tricky with Ajax and Google Analytics. To track
what links user clicks probably need to add some kind of anchors... need
to investigate.

Issue #42: Because now links is a text, not images, Google probably will
be able to build "quick links". I want to believe, though.
Images optimizations
Add .nojekyll to prevent Github Pages Jekyll trigger
Move images preloading and background cycling start to the "window.load"

Also trigger initial "window.hashchange" event immediately.
Fix initial social buttond displaying by renaming corresponding image files

They weren't be displayed in browsers with AdBlockPlus (with Fanboy's
Social Blocking List enabled)
Fix shortcut icon
Hover effect on a menu button
Fix background image on big menus by dissallow its scrolling
Add contributors info
Fix for java applet security window. Deffering setting "src" attribute
Enable "fullscreen" mode by clicking on background