Fix #10 - forward AWS_PROFILE.

AWS_PROFILE is now the preferred environment variable and AWS_DEFAULT_PROFILE is deprecated.

See aws/aws-cli@6be3aa2

Author: jrnewton

lib/index.js

@@ -28,7 +28,7 @@ class Aws {
         const promise = Promise.resolve().then(function () {
             const env_vars = ('HOME PATH AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY ' +
                 'AWS_SESSION_TOKEN AWS_DEFAULT_REGION ' +
-                'AWS_DEFAULT_PROFILE AWS_CONFIG_FILE').split(' ');
+                'AWS_PROFILE AWS_DEFAULT_PROFILE AWS_CONFIG_FILE').split(' ');
             const env = _.reduce(env_vars, (result, value) => {
                 if (process.env[value]) {
                     result[value] = process.env[value];