Merge pull request #902 from sexnothing/develop

Tag style add
Merge pull request #903 from sexnothing/develop

System module form component update
Added breadcrumbs for article module
Merge pull request #904 from linzongshu/develop

Added breadcrumbs for article module
Merge pull request #905 from sexnothing/develop

System form update
Fix form
Merge pull request #906 from sexnothing/develop

Remove bootstrap code
Adjusted code related to tag
Merge pull request #907 from linzongshu/develop

Adjusted code related to tag
Fixed typos for comment APIs
Potentially use Pi::service(module)->content() for comment target fetch
Fixed key length limit bug in tag tables per Issue #897
Update comment docs
Fix for active detection for navigation
Imported tag term URL
Merge pull request #908 from sexnothing/develop

Search block bug fixed
Merge branch 'develop' of https://github.com/pi-engine/pi into develop
Merge pull request #909 from sexnothing/develop

 	Google search update
Fix for duplicated active pages in navigation
Merge branch 'develop' of https://github.com/pi-engine/pi into develop