Update setup persian language
Fix bug to flash registry after add new page
Fix HTML problems and remove inline style if empty
Remove inline style from user-bar block js type and use uid for set menu
Update persian language
Fix for raw content download
Merge pull request #1213 from voltan/develop

Fix html problems and update translation
Added browser service for client browser detection
Implemented browser service
Merge branch 'develop' of https://github.com/pi-engine/pi into develop