[SPEC] Travis-CI: Switch to container environment
[SPEC] Travis-CI: Switch to container environment

sfgeorge/ruby_speech,adhearsion/ruby_speech,adhearsion/ruby_speech,sfgeorge/ruby_speech,benlangfeld/ruby_speech,sfgeorge/ruby_speech,adhearsion/ruby_speech,benlangfeld/ruby_speech,benlangfeld/ruby_speech