Add print file path support; printer ready command.

3 jobs for master in 8 minutes and 37 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Linux
passed #766425538
build linux

00:02:41

 
  Build Linux Lockless
passed #766425539
build linuxlockless

00:02:39

 
  Build Mingw
passed #766425540
build mingw

00:03:16