now user can specify his own git source file, which contains the git souce location for external projects
now user can specify his own git source file, which contains the git souce location for external projects

lshmouse/rDSN,qinzuoyan/rDSN,Microsoft/rDSN,qinzuoyan/rDSN,Microsoft/rDSN,Microsoft/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,lshmouse/rDSN,Microsoft/rDSN,mcfatealan/rDSN,imzhenyu/rDSN,shengofsun/rDSN,lshmouse/rDSN,lshmouse/rDSN,mcfatealan/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,Microsoft/rDSN,shengofsun/rDSN,shengofsun/rDSN,lshmouse/rDSN,shengofsun/rDSN,Microsoft/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,lshmouse/rDSN,qinzuoyan/rDSN,lshmouse/rDSN,mcfatealan/rDSN,shengofsun/rDSN,lshmouse/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,shengofsun/rDSN,mcfatealan/rDSN,shengofsun/rDSN,Microsoft/rDSN,Microsoft/rDSN,shengofsun/rDSN