Style, Popups, OpenGraph, NoScript, TinyMCE

* Popups; tear down of popup also trigger execute_before_popup_closes
and nxs_jstrigger_eforepopupcloses
* Added opengraph prefix on html element
* Added noscript action
* TinyMCE; fixed multi instance bug
Merge branch 'master' of https://github.com/nexusthemes/nexusframework