new type of spinner

[snowwlex]

(picture is not shown, so link is here) https://github.com/snowwlex/QtWaitingSpinner/blob/gh-pages/new-spinner.png

I believe it could be done as separate widget in the root of repository, like QtCircledWaitingSpinner or smth.

[z3ntu]

btw you can use https://raw.githubusercontent.com/snowwlex/QtWaitingSpinner/gh-pages/new-spinner.png as link for the picture