Fixes #1848

On branch aperez-fix-for-issue-1848
  Changes to be committed:
    new file:   app/controllers/admin/poll/base_controller.rb
    modified:   app/controllers/admin/poll/booth_assignments_controller.rb
    modified:   app/controllers/admin/poll/booths_controller.rb
    modified:   app/controllers/admin/poll/officer_assignments_controller.rb
    modified:   app/controllers/admin/poll/officers_controller.rb
    modified:   app/controllers/admin/poll/polls_controller.rb
    modified:   app/controllers/admin/poll/questions_controller.rb
    modified:   app/controllers/admin/poll/recounts_controller.rb
    modified:   app/controllers/admin/poll/results_controller.rb
    modified:   app/controllers/admin/poll/shifts_controller.rb

…ere was a link for it, but no icons. The CSS file "theme" from jquery-ui was missing.

 Cambios para hacer commit:
	modificado:    app/assets/stylesheets/application.scss
	modificado:    app/assets/stylesheets/datepicker_overrides.scss
	nuevo archivo: app/assets/stylesheets/jquery-ui-theme_overrides.scss.erb

Fixes #1831

On branch aperez-validate-poll-question-is-selected
  Changes to be committed:
    modified:   app/models/poll/question.rb
    modified:   spec/models/poll/question_spec.rb
    modified:   spec/features/admin/poll/polls_spec.rb

…of consul instead of icons from jquery-ui.

 Cambios para hacer commit:
	modificado:    app/assets/stylesheets/application.scss
	modificado:    app/assets/stylesheets/datepicker_overrides.scss
	borrado:       app/assets/stylesheets/jquery-ui-theme_overrides.scss.erb

…t-m2c/consul into iagirre-display-datepicker-arrows

… open. Moreover, when "Site custom" submenus are selected, the menu remains opened.

On branch aperez-validate-poll-question-is-selected
  Changes to be committed:
    modified:   spec/models/poll/question_spec.rb

Documentable fix

…on-is-selected

Validate presence 'poll_id' attribute on Poll::Question model

…-active-items

When "Profiles" submenus are selected, the "Site custom" menu doesn't…

…arrows

Iagirre display datepicker arrows

Poll::Questions now have a validation for a `poll_id`

Fixes dev seeds

Useful if you want to test the verification process.

Add base controller for Admin:Poll controller

Comment reply link

Switch flag/unflag buttons on use via ajax

Minor improvements in dev seeds