FIX dev for master
Merge pull request #44 from tetianahogg/dev_fix

FIX dev for master
Add Search
Merge pull request #52 from tetianahogg/search

Add Search
FIX search
Add message for Nil result search
FIX search
Update surveys_controller.rb
Merge pull request #54 from tetianahogg/search

Search implemented
Moved photo storage to s3
ADDED simple 'My Surveys' view and fixed few bugs
Added Validations for survey
Fixed viewing of private surveys
Added sharing for Surveys
Create validates for user
FIX validates
Merge pull request #53 from tetianahogg/user_validates

Create validates for user
Update index.html.slim
Merge pull request #56 from tetianahogg/my_surveys

My surveys
questions and variants added to survey