Add environment variable bridge.user
Make the environment variable global.
Upper case environment variable name.
User valid environment variable names.
Comment change only.
Add AWS credential for the user travis.
Fix the test on user.
Fix the incorrect overwrite order.
Fix failed unit test in Travis CI.
More fix of the config unit test.
Set the environment to stub.
Use the correct encryption.
Use the correct encryption.
Merge pull request #33 from eric-wu/develop

Set up config for Travis CI