Some omit files with last submit
Merge pull request #551 from sexnothing/user

Some omit files with last submit
Fix for remote service url with query string
System events page
Merge branch 'user' of https://github.com/pi-engine/pi into user
Merge pull request #552 from sexnothing/user

System events page
Add terms of service for register
Merge remote-tracking branch 'upstream/user' into user
Updated remote service
Fix logging service
Merge pull request #553 from liuchuangww/user

User
Code cleaning up
Check DB connection upon DB name change
Updated nav specs
Moved Block classes to dedicated folder `Block`
Added syntactic sugar for i18n
Added preAction/postAction to controller action
Updated system i18n
Updated system i18n
Updated theme i18n