Fix error js of ajax button or Ajax infinitescroll when disable filter.
Fix error display white page of portfolio view on IE 11.
Fix error load ajax of portfolio view when search key word from module TZ Portfolio Plus Filter.
Fix error overload of edit layout in back-end.
Changed style active pro version in back-end.
Added delete license in dashboard with activated pro version.
Added bootstrap v4.3.1 library (customized - Added parent class "tpp-bootstrap").
Added option "Enable Bootstrap Library" in modules: TZ Portfolio Plus Categories, TZ Portfolio Plus Portfolio, TZ Portfolio Plus Tags, TZ Portfolio Plus Archived Articles.
