Adds a proper path for fetching TM2
Adds a proper path for fetching TM2

Updates requirements.txt to fetch repoze.tm2 from github.

lmaycotte/quark,asadoughi/quark,roaet/quark,insequent/quark,rackerlabs/quark,Cerberus98/quark,roaet/quark,alanquillin/quark,insequent/quark,alanquillin/quark,asadoughi/quark,lmaycotte/quark,blamarvt/quark,Cerberus98/quark,rackerlabs/quark,jkoelker/quark