add public/uploads
add database schema
Merge pull request #15 from Vanderln/update_gitignore

Update gitignore
Merge pull request #16 from Vanderln/comments

Comments - fixed lots o stuffs
Answer properly associates with current answer
Merge pull request #17 from Vanderln/answers_bugfixes

Answer properly associates with current answer
change root path to questions#index and redirect user to root after logging in
Merge pull request #18 from Vanderln/landing_page

change root path to questions#index
fixed merge conflicts