R1:a0f0ba6acd47

Stop using process/filesystem-based checks to determine if daemons are running

Summary:
We currently check if daemons are running using the filesystem and process list. These checks reach the wrong result for a lot of users because their webservers can't read the filesystem or process list. They also reach the wrong result for daemons running on other machines.

Instead, query the active daemon list to see if daemons are running. This should be significantly more reliable.

(We didn't do this before…