Use disable-with to prevent accidental duplicate submissions
Validates presence of text
Merge pull request #36 from str1fe/validations

Add validations for descriptions/texts for most request types
Fix a bug that prevented existing responses from being migrated
Bump version to 0.1.1
Merge branch 'master' into feature/disable-with-usage

Conflicts:
	app/views/tasks/taskables/text/responses/_form.html.erb
	app/views/tasks/taskables/url/responses/_form.html.erb
	app/views/tasks/taskables/verifications/confirmations/_form.html.erb
	app/views/tasuku/taskables/questions/answers/_form.html.erb
Merge branch 'feature/disable-with-usage'
Upgrade Rails from 4.1.0.rc1 to 4.1.1
Install Coveralls
Merged with master to solve merge conflicts