Moved article Permission class to Api namespace
Refactored Event classes with Api namespace
Added event to saml user_login
Added rss block to solved issue #864
Code cleaning for media module; Changed max_size to more meaningful unit of KB
Text correction
Merge pull request #948 from linzongshu/develop

Added rss block to solved issue #864
Set default_charset for filter FILTER_SANITIZE_FULL_SPECIAL_CHARS
Merge branch 'develop' of https://github.com/pi-engine/pi into develop
CS fix
Merge branch 'develop' into share-build