semantic-release npm publish

[crobinson42]

Note: This project uses semantic-release to auto publish npm packages on successful builds.
The commit messages must follow AngularJS Commit Msg Conventions: https://docs.google.com/document/d/1QrDFcIiPjSLDn3EL15IJygNPiHORgU1_OOAqWjiDU5Y/edit#heading=h.uyo6cb12dt6w

• - My commit messages follow AngularJS Commit Msg Conventions
• - If applicable, appropriate JSDoc comments were updated in source code
• - If applicable, appropriate changes to js-data.io docs have been suggested ("Suggest Edits" button)
• - Unit test coverage did not decrease & appropriate tests changes made

[codecov-io]

Current coverage is 80.35% (diff: 100%)

Merging #27 into release will decrease coverage by 1.91%

@@            release        #27   diff @@
==========================================
  Files             2          2          
  Lines           282        336    +54   
  Methods           0          0          
  Messages          0          0          
  Branches          0          0          
==========================================
+ Hits            232        270    +38   
- Misses           50         66    +16   
  Partials          0          0          

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[crobinson42]

Heads-up >> repo-tools write-version will break with semantic-release implementation due to semantic-release removing the version out of the package.json file.

ie: tests fail:

> js-data-mongodb@ bundle /Users/willlyrob/projects/js-data-mongodb
> rollup -c rollup.config.js -f cjs -o dist/js-data-mongodb.js -m dist/js-data-mongodb.js.map src/index.js && repo-tools write-version dist/js-data-mongodb.js

Cannot read property 'split' of undefined