Merge pull request #3378 from opensourcerouting/remove-config-lock

*: remove the configuration lock from all daemons

diff --cc lib/command.c
Simple merge

diff --cc lib/northbound_cli.c
Simple merge

diff --cc lib/vty.h
Simple merge

diff --cc zebra/main.c
index 5b5ee8259a915239cf7e7a7d9e076bc65cbff9e8,95fe6f9fef8f9ea13486096a859af2f6fb2ff7f5..0f1e14821bcaed5343ad3c3a67dfa91f2823ce63
--- 1/zebra/main.c
--- 2/zebra/main.c
+++ b/zebra/main.c
@@@ -390,12 -387,8 +390,11 @@@ int main(int argc, char **argv
                }
        }
  
-       vty_config_lockless();
        zebrad.master = frr_init();
  
 +      /* Initialize pthread library */
 +      frr_pthread_init();
 +
        /* Zebra related initialize. */
        zebra_router_init();
        zserv_init();