Add Natural Language Understanding

[codecov-io]

Codecov Report

:exclamation: No coverage uploaded for pull request base (develop@490a923). Click here to learn what that means. The diff coverage is 83.33%.

@@            Coverage Diff             @@
##             develop      #29   +/-   ##
==========================================
  Coverage           ?   76.51%           
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  Files              ?        2           
  Lines              ?      396           
  Branches           ?        0           
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  Hits               ?      303           
  Misses             ?       93           
  Partials           ?        0

Flag	Coverage Δ
#CloudFoundryConfig	76.51% <83.33%> (?)

Impacted Files	Coverage Δ
Sources/CloudFoundryConfig/Extensions.swift	65.93% <71.42%> (ø)
Sources/CloudFoundryConfig/Services.swift	79.67% <88.23%> (ø)

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[rolivieri]

@rob-deans - Thanks for the PR! Can you make the following changes before we can merge this PR?

• We process PRs against develop branch. I just updated this PR so it goes against develop. Can you then make sure the following line of code in the README remains as it is?

-[![Build Status](https://travis-ci.org/IBM-Swift/CloudConfiguration.svg?branch=develop)](https://travis-ci.org/IBM-Swift/CloudConfiguration)

• Can you update config_example.json so that it has so made up values for password, url, username, etc.? For instance, for username, you could use natural-language-username… something along those lines that self-descriptive.

• Can you update FileLoadTests.swift so the tests are more meaningful? Instead of just checking that the length of username, password, etc., is greater than 0, let’s make sure that the values returned from the service match the expected values. For instance, say you use natural-language-username as the username in the config_example.json file, then let’s add an assertion to FileLoadTests.swift that ensures this is the case.