Update integration tests and semantic updates

[ehdsouza]

This PR does the following:

• Updates integration tests to RC instances
• Includes examples for the ones which don't have integration tests

Also, @padamstx could you review the semantic release updates?

[codecov-io]

Codecov Report

Merging #705 into master will increase coverage by 2.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #705      +/-   ##
==========================================
+ Coverage    37.8%   39.82%   +2.02%     
==========================================
  Files          24       24              
  Lines       21472    21472              
==========================================
+ Hits         8117     8551     +434     
+ Misses      13355    12921     -434

Impacted Files	Coverage Δ
ibm_watson/text_to_speech_v1.py	57.34% <0%> (+0.13%)	⬆️
ibm_watson/language_translator_v3.py	63.08% <0%> (+0.14%)	⬆️
ibm_watson/personality_insights_v3.py	52.64% <0%> (+0.21%)	⬆️
ibm_watson/natural_language_classifier_v1.py	40.27% <0%> (+0.27%)	⬆️
ibm_watson/speech_to_text_v1.py	42.33% <0%> (+0.42%)	⬆️
ibm_watson/discovery_v1.py	35.3% <0%> (+0.51%)	⬆️
ibm_watson/assistant_v1.py	44.52% <0%> (+0.64%)	⬆️
ibm_watson/visual_recognition_v3.py	39.31% <0%> (+0.72%)	⬆️
ibm_watson/tone_analyzer_v3.py	38.31% <0%> (+1.89%)	⬆️
ibm_watson/visual_recognition_v4.py	39.27% <0%> (+2.36%)	⬆️
... and 8 more

---

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[padamstx]

You'll need to fix one thing in .releaserc

[padamstx]

probably don't need the "debug" field here, but also ok to leave it you want... I think it just results in more output in the travis build log

[padamstx]

the "exec" step needs to be done first, then changelog, then git. You can see the python-core file as an example.

[mediumTaj]

👍 looks good!

[germanattanasio]

Here is an overview of what got changed by this pull request:

Complexity decreasing per file
==============================
+ test/integration/test_examples.py  -1
         

See the complete overview on Codacy

[watson-github-bot]

🎉 This PR is included in version 4.0.2 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀