Update wrtc to version 0.0.60 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

wrtc just published its new version 0.0.60, 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 wrtc – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 32 commits .

• 92cd39e v0.0.60
• aa92f5f Merge pull request #271 from caseywebdev/update-nan
• 3dd844d Fix node 6 deprecation warnings
• 63f97a5 Merge pull request #267 from caseywebdev/node-6
• 2b1c124 Add Node 6.x to CI
• a0364f4 Merge pull request #244 from FelixMcFelix/develop
• d2f8fe9 [Promise API] Initial implementation of promise based API.
• 91fb70d Merge pull request #251 from markandrus/lint
• 55704cc Merge pull request #252 from paulkernfeld/develop
• 67df987 Respect socket port arg in examples/bridge.js
• 10b2bfd Add -std=c++11 to binding.gyp CFLAGS
• 20d15ff Remove extra Nan::HandleScopes
• 039a192 Whitespace fixes/cpplint.py
• ea3015e Organize includes, stop using namespaces, add header guards
• 6c5a39d Remove unused variables

There are 32 commits in total. See the full diff.

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