Merge branch 'linzongshu-develop' into develop
Fixes #1159: custom templates were not load
Fixes issue #1144 caused by Xss filtering
Doc update
comment > update french translation
Merge pull request #1164 from Marc-pi/quickfixcomment

comment > update french translation
Re-import `demo` module
Re-import `demo` module
Re-import `demo` module
Remove deprecated `demo` folder
Re-import `demo` module
Code cleaning up
Fixes issue #1165 by adding meta support to `module` service
Added cache flush on block perm, discovered by @chunhuili
Added support for user head keywords config
Code cleaning up
Updated translations
Update README-GIT.md
Added `pi-module/sitemap` as submodule
Doc fixes