updating requirements file to install trac from the apache repository
updating requirements file to install trac from the apache repository

git-svn-id: fa56b3725f8795e2c24e2b4413b3767e83184823@1300593 13f79535-47bb-0310-9956-ffa450edef68

apache/bloodhound,apache/bloodhound,apache/bloodhound,apache/bloodhound