ticket:6 Add JS block to base.html
ticket:6 Add calendar widget for birthdate
ticket:6 Add test for proper XHR result
ticket:6 Make View return only form fields if ajax
ticket:6 Make form ajax, add load state indicator

Also fix identation and syntax
Fix identation
ticket:6 Add disable form elements during submit
Make `media` doc_root getted from settings
Add STATIC_ROOT
ticket:6 Add test for Widget
ticket:6 Create and add DatepicketWidget
ticket:6 Add `head` block to base template
ticket:6 Remove Datepicker, move libs to head
ticket:6 Add form.media resourses to template
ticket:6 Add js file for DatepickerWidget
Remove unused imports
Merge branch 't6_ajax'