replace main layout style
Merge pull request #4 from mike-stetsenko/stuff

* Twister picture for README.md added
update styles
Merge remote-tracking branch 'upstream/master'
Merge pull request #5 from ashchogoleva/master

Update styles
fix 'new post' button at main page
add post short view at main page \n fix #6
Merge pull request #13 from ashchogoleva/master

Automerge after successful build.
comments added
Merge pull request #19 from mike-stetsenko/comments

comments added
add migrations for users table and references
add user model
add controller for registration
add user registation
add redirect after post requests
Merge pull request #20 from ashchogoleva/master

add user registration and some improvements
Layout path fixed, code reformatted.
User profile page added.
Add user login
Some changes in project structure