scrm_jz_stable_branch is different from current version of scrm

```
joezhu@ubuntu:~/smcsmc/src/scrm$ ./scrm 3 1 -T -seed 1 -r 10 10
scrm 3 1 -T -seed 1 -r 10 10
1

//
[1]((1:0.00140958,2:0.00140958):0.0320931,3:0.0335027);
[1](3:0.379432,(1:0.00140958,2:0.00140958):0.378022);
[1]((1:0.00140958,2:0.00140958):0.483423,3:0.484832);
[2](3:0.103595,(1:0.00140958,2:0.00140958):0.102186);
[1](3:0.221588,(1:0.00140958,2:0.00140958):0.220179);
[2]((1:0.00140958,2:0.00140958):0.240341,3:0.241751);
[1](3:0.915481,(1:0.00140958,2:0.00140958):0.914071);
[1](3:0.479244,(1:0.00140958,2:0.00140958):0.477835);
joezhu@ubuntu:~/smcsmc/src/scrm$ scrm 3 1 -T -seed 1 -r 10 10
scrm 3 1 -T -seed 1 -r 10 10
1

//
[1]((1:0.001410,2:0.001410):0.032093,3:0.033503);
[1](3:0.379432,(1:0.001410,2:0.001410):0.378022);
[1]((1:0.001410,2:0.001410):0.438405,3:0.439815);
[1](3:0.144550,(1:0.001410,2:0.001410):0.143141);
[1](3:0.256062,(1:0.001410,2:0.001410):0.254653);
[3](3:0.439815,(1:0.001410,2:0.001410):0.438405);
[1](3:0.726680,(1:0.001410,2:0.001410):0.725271);
[1]((1:0.001410,2:0.001410):0.108187,3:0.109596);
```