center restart with new shm; set center node ssn.

lichao

2021-06-02 993c556000a414011626770540678948f16eaa9e

 .gitignore

@@ -9,4 +9,5 @@
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
*/bhshmq_status
.idea