Add python 3.5 in travis
Add python 3.5 in travis

jasuarez/sigal,Ferada/sigal,saimn/sigal,jasuarez/sigal,t-animal/sigal,xouillet/sigal,Ferada/sigal,jdn06/sigal,jdn06/sigal,saimn/sigal,t-animal/sigal,saimn/sigal,jdn06/sigal,jasuarez/sigal,xouillet/sigal,Ferada/sigal,t-animal/sigal,xouillet/sigal