Merge pull request #794 from sexnothing/develop

Add layout-front ie8 responsive.js
Merge pull request #795 from sexnothing/develop

User privace style bug fixed
Refactoring user privacy setting
Merge pull request #796 from sexnothing/develop

Responsive.js and html5.js for support ie8
Fix for media remoate api
Merge branch 'develop' of https://github.com/pi-engine/pi into develop
Fix form
Merge branch 'develop' of https://github.com/pi-engine/pi.git into develop
Merge pull request #797 from sexnothing/develop

Develop
Added flood protection for search
Fix for Feed error rendering
Fix for error message display
Fix for API controller filter
Fixed bug of media APIs
Fixed bug of media API
Merge pull request #800 from linzongshu/develop

Fixed bug of media API
Merge pull request #799 from linzongshu/media

Fixed bug of media APIs
Fixed bug of media management
Merge pull request #801 from linzongshu/develop

Fixed bug of media management
Custom elements to display in list page