Update google-closure-compiler to version 20160315.0.0 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

google-closure-compiler just published its new version 20160315.0.0, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of google-closure-compiler – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 2 commits .

• f58a444 Increment version number to 20160315.0.0
• 6c65fd6 Update to 20150315 release of the compiler

See the full diff.

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This change is

[codecov-io]

Current coverage is 86.54%

Merging #578 into master will not affect coverage as of 1453b67

@@            master    #578   diff @@
======================================
  Files           97      97       
  Stmts          847     847       
  Branches         0       0       
  Methods          0       0       
======================================
  Hit            733     733       
  Partial          0       0       
  Missed         114     114       

Review entire Coverage Diff as of 1453b67

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