Modified the logic of minimize_node. It now keeps the child if self does not have parent, rather than keeping self by merging it with child.
Modified the logic of minimize_node. It now keeps the child if self does not have parent, rather than keeping self by merging it with child.

kumarsaurabh20/ensembl-compara,danstaines/ensembl-compara,kumarsaurabh20/ensembl-compara,kumarsaurabh20/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,danstaines/ensembl-compara,danstaines/ensembl-compara,danstaines/ensembl-compara,etapanari/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,etapanari/ensembl-compara,dbolser-ebi/ensembl-compara,etapanari/ensembl-compara,kumarsaurabh20/ensembl-compara,Ensembl/ensembl-compara,ckongEbi/ensembl-compara,dbolser-ebi/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,ckongEbi/ensembl-compara,dbolser-ebi/ensembl-compara,danstaines/ensembl-compara,ckongEbi/ensembl-compara,Ensembl/ensembl-compara,etapanari/ensembl-compara