update travis file to use compilers with C++11 support
update travis file to use compilers with C++11 support
shengofsun/rDSN,lshmouse/rDSN,mcfatealan/rDSN,glglwty/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,pandaworrior/rDSN,Microsoft/rDSN,imzhenyu/rDSN,mcfatealan/rDSN,shengofsun/rDSN,qinzuoyan/rDSN,Microsoft/rDSN,lshmouse/rDSN,Microsoft/rDSN,pandaworrior/rDSN,glglwty/rDSN,imzhenyu/rDSN,shengofsun/rDSN,imzhenyu/rDSN,lshmouse/rDSN,ykwd/rDSN,lshmouse/rDSN,mcfatealan/rDSN,mcfatealan/rDSN,Microsoft/rDSN,glglwty/rDSN,ykwd/rDSN,shengofsun/rDSN,qinzuoyan/rDSN,pandaworrior/rDSN,Microsoft/rDSN,shengofsun/rDSN,imzhenyu/rDSN,lshmouse/rDSN,shengofsun/rDSN,imzhenyu/rDSN,glglwty/rDSN,lshmouse/rDSN,goksyli/rDSN,qinzuoyan/rDSN,goksyli/rDSN,lshmouse/rDSN,ykwd/rDSN,shengofsun/rDSN,lshmouse/rDSN,Microsoft/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,Microsoft/rDSN,goksyli/rDSN,qinzuoyan/rDSN,qinzuoyan/rDSN,ykwd/rDSN,ykwd/rDSN,Microsoft/rDSN,goksyli/rDSN,imzhenyu/rDSN,pandaworrior/rDSN,qinzuoyan/rDSN,glglwty/rDSN,pandaworrior/rDSN,shengofsun/rDSN