Merge pull request #1202 from linzongshu/develop

Fixed registry namespace error
Improve themes
Improve themes
Improve themes
Improve themes
Update persian language
Merge pull request #1203 from voltan/develop

Improve theme
Add select module option for do search on block
Fix theme
Improve user blocks
Merge pull request #1206 from voltan/develop

Improve search and user blocks
Added allow for rename to false
Added demo for file operations
Fix file download filename for IEs
Article media download with file service
Added file upload demo
Added file upload demo
Update setup persian language
Fix bug to flash registry after add new page
Fix HTML problems and remove inline style if empty