Set dependencies between user and rest of models.
Update seeds.
Small updates (fixes).
Merge branch 'set-dependencies-between-user-and-rest-of-models'
Switch to Ruby 2.0.0-preview2.
Merge branch 'switch-to-ruby-2.0.0'
Run `r g resource opinion characteristics:Array solves_problem:Boolean`
+ magic_encoding + add dependencies.
Add resources :opinions under :solutions.
Add dependency between opinions and solutions.
Change form on solutions' page to be collecting data for opinion.
Copy&rework solutions controller to opinions controller.
Copy&paste solutions' views. To be rewritten.
Solution does no longer keep data about opinions.
Submit boolean value.
Plug in opinions to solutions#show page.
Plug real data to summary (rates distribution, most rated).
Get rid of empty strings in characteristics array
Make opinion's view more opinion related (cleaning up solutions stuff).
Merge branch 'solution-has-many-opinions'