SOC-3947 [Connections] Wrong buttons in user pop-up

Fix description: correct action for relation status in buildPopup method.
SOC-3916: [Profile] Wrong validators of Organization and Position

Fix description: Use consistance validator in social with these in exogtn.
SOC-3917 | Encoding problem of Position update in Activity Stream. Unescape html characters for "position" field.

Fix description: escape special character for user position field in user profile popup.
SOC-3149 CLONE - Possible XSS attack by adding new activity stream

Fix description: escape html in link's description, link's title on preview mode and UILinkComposer class.
SOC-3462 [XSS] My Activity Stream - share link

Fix description: Escape single quote sign, double quote sign and html tag for title, description and link
before loading js in UILinkActivityComposer template.
And unescape it when rendering on UI.
Merge commit '710b5a6e7517086e3c8c687f97bbd967780cda10' into HEAD