New preloader-w8-*-white.gif (fixed white anim.)

a bit big files, but it works fine.
removed white sharp around black circles

not the best, but better, i will update it soon
Merge pull request #77 from cs8898/master

Changed Pre loading icons
Merge branch 'master' of github.com:olton/Metro-UI-CSS
fixed input-control checkbox general sibling selector instead
Merge branch 'develop' of github.com:olton/Metro-UI-CSS into develop