Updated TagsManager; Google+; Vkontakte
Reverted deleted files
Merge pull request #4 from sbagriantsev/mal

Integrated socket.io to project
Update development.js
fixes
merge fix
Updated Google+; TagskManager;
bugs
vk authorization
vk auth
vk auth
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Update 500.html

500 page
Create 500.css
Rename 500.css to erorr.css
Update head.html
Rename erorr.css to error.css
Update head.html
Update 404.html
Update 500.html