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.