Changed gem 'ruby-debug' to 'debugger'.

This was to avoid a problem when executing rails server.
Dried the views using partials.
Added link to go back to anchor page.

This was done in the edit and new view.
Added validation for editing or creating a movie.

Validations were added to the model file.
Controller and views were also changed to handle when the inputs
didn't passed the validation. The css file was also edited to
handle the warning style.
Trying to add omni-auth but still not successfull.

Have to commit in master so I can push to Heroku so I can test it.
Moved omniauth gem outside all groups.

Also corrected the api-key in omniauth.rb
Now authentication with twitter is working!

Also added a new view to fill login fields.

If you are not logged in you will be redirected to that page.