Moved the calculation of the tree alignment length outside the loop of nodes since it is the same for all the nodes.
Moved the calculation of the tree alignment length outside the loop of nodes since it is the same for all the nodes.

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