Fixed client IP address retrieval. Added checks for client IP in tests.
Merge branch 'develop' of https://github.com/Starcounter/Starcounter into develop
Added setting client IP address when aggregating.
Accessing PB files from output. Fixes #2245.
Merge branch 'develop' of github.com:Starcounter/Starcounter into PBsource
Merge branch 'develop' of github.com:Starcounter/Starcounter into Metadata
Meta-data: renamed columns of sys_column/MaterializedColumn. Part of #2234.