Add travis ci build status.
Add travis ci build status.

EmmanuelOga/ffaker,makabde/ffaker,dugjason/ffaker,marceuy/ffaker,Kakakakakku/ffaker,marceuy/ffaker,ffaker/ffaker,Kakakakakku/ffaker,esender/ffaker,EmmanuelOga/ffaker,teeparham/ffaker,gustavor-souza/ffaker,44uk/ffaker,maxprig/ffaker,teeparham/ffaker,gustavor-souza/ffaker,shivashankar-ror/ffaker,vveliev/ffaker,esender/ffaker,albabar/ffaker,dugjason/ffaker,maxprig/ffaker,44uk/ffaker,shivashankar-ror/ffaker,dongnhut/ffaker,makabde/ffaker,albabar/ffaker,ikhakoo/ffaker,dongnhut/ffaker,ffaker/ffaker,ikhakoo/ffaker,vveliev/ffaker