Rebase of PR 170#226

josecelano merged 14 commits into

torrust:developtorrust/torrust-tracker:developfrom

josecelano:issue-156-fix-random-test-failure-due-to-port-collisionjosecelano/torrust-tracker:issue-156-fix-random-test-failure-due-to-port-collisionCopy head branch name to clipboard