Angular update from 1.3 to 1.4

• [changed] update angular (angular-cookies, angular-sanitize) from 1.3 to 1.4
• [fixed] fix translations - remove   + fix setting page parent_id on frontend
• [fixed] put settings form in each tab pane for correct display
• [fixed] more Rails 5 friendly (removing deprecation messages) + add views for password reset