ISTWCMS-6773 Update better_exposed_filters to 6.0.3, jquery_ui_datepicker and...
requested to merge feature/ISTWCMS-6773-l26yan-Update-better_exposed_filters-to-6.0.3-and-datepicker-slider-to-2.0.0 into 3.2.x
ISTWCMS-6773 Update better_exposed_filters to 6.0.3, jquery_ui_datepicker and jquery_ui_slider to 2.0.0