[ADD]Added external depedent module's path in travis file.
[ADD]Added external depedent module's path in travis file.

jt-xx/e-commerce,brain-tec/e-commerce,Endika/e-commerce,JayVora-SerpentCS/e-commerce,Antiun/e-commerce,vauxoo-dev/e-commerce,raycarnes/e-commerce,jt-xx/e-commerce,Antiun/e-commerce,brain-tec/e-commerce,BT-ojossen/e-commerce,Endika/e-commerce,BT-ojossen/e-commerce,vauxoo-dev/e-commerce,JayVora-SerpentCS/e-commerce,raycarnes/e-commerce