Default label position should be above.
Fixed some spacing issues.
Only add the required symbol after the element if the label position is not set to 'inside'.
Added a filter to the ajax url for front-end submissions.
Gave the processing message div a class of ninja-forms-processing
Changed the adding of "selected" list elements as default value to the ninja_forms_display_pre_init hook.
Merge branch 'develop' of https://github.com/wpninjas/ninja-forms into develop