Use container-based infrastructure of travis-ci
Use container-based infrastructure of travis-ci

leoliu/yaws,toraritte/azith,weisslj/yaws,leoliu/yaws,bsmr-erlang/yaws,leoliu/yaws,toraritte/azith,leoliu/yaws,capflam/yaws,capflam/yaws,phonohawk/yaws,phonohawk/yaws,klacke/yaws,toraritte/azith,toraritte/azith,bsmr-erlang/yaws,sebgod/yaws,capflam/yaws,weisslj/yaws,weisslj/yaws,bsmr-erlang/yaws,klacke/yaws,klacke/yaws,toraritte/azith,patternmatched/yaws,klacke/yaws,bsmr-erlang/yaws,klacke/yaws,bsmr-erlang/yaws,leoliu/yaws,klacke/yaws,klacke/yaws,capflam/yaws,toraritte/azith,sebgod/yaws,sebgod/yaws,phonohawk/yaws,patternmatched/yaws,weisslj/yaws,sebgod/yaws,phonohawk/yaws,sebgod/yaws,patternmatched/yaws,leoliu/yaws,weisslj/yaws,capflam/yaws,bsmr-erlang/yaws,patternmatched/yaws,sebgod/yaws,bsmr-erlang/yaws,sebgod/yaws,patternmatched/yaws,phonohawk/yaws,weisslj/yaws,patternmatched/yaws,leoliu/yaws,capflam/yaws,phonohawk/yaws,toraritte/azith,patternmatched/yaws,capflam/yaws,phonohawk/yaws,weisslj/yaws