Add support for displaying cohorts in dashbaords
Fix: use String ctor function instead of toString to handle nulls
Fix: use String ctor function instead of toString to handle nulls
Log exception when refresh queries fails
Run query in forked process
Fix: child process wasn't exiting
Don't use connection pool in query runner
If worker forked process didn't exit cleanly, update job
Store job process id
Naive implementation of job cancel
Job: support for old job that had no process id.
Job: when cancelling send SIGKILL instead of SIGINT.
Show cancel button in UI.
Instead of killing the process, send SIGINT and cancel query on interupt.
Improved system status.
Jobs done counter was updated in the wrong place
More readable status
Add log_level to settings_example
No more using connection pool in DataManager, as it used accross processes
Support for non date time x values.