Solaris: improve process columns

- fill tty name
- fill session id
- show real tgid not adjusted
- drop unimplemented TPGID, MINFLT and MAJFLT
- adjust header width of ZONEID, which get auto-adjusted as a pid-column

solaris/SolarisProcess.h

@@ -29,6 +29,7 @@ typedef struct SolarisProcess_ {
    bool       is_lwp;
    pid_t      realpid;
    pid_t      realppid;
+   pid_t      realtgid;
    pid_t      lwpid;
 } SolarisProcess;