Merge pull request #3 from quasiyoke/master

Profile url form defaults saving to cookies was added.
Update dos.yaml
Drop IP blacklist
Drop all site metrics
Drop beta version mark
Self-hosted application changes
Increase limits for self-hosted application
Opening video's link is no more causes "Access denied" message from VK. The trouble was because VK is no (more) supports links to videos from posts like https://vk.com/video45882735_170857425 but links like that https://vk.com/wall45882735_182108?z=video45882735_170857425 are supported.
JS was slightly polished.