Update dependency karma-firefox-launcher to v1

[cmorell]

This PR contains the following updates:

Package	Type	Update	Change
karma-firefox-launcher	devDependencies	major	~0.1.0 -> ~1.3.0

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Release Notes

karma-runner/karma-firefox-launcher

v1.3.0

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Bug Fixes

• Check that wsl path exists before using wslpath to convert it (#​105) (1eb7e1b)

v1.2.0

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Bug Fixes

• Add -wait-for-browser (540c1dd)
• Look for other paths for Firefox Nightly on Windows and Mac (6377ee3)

Features

• headless: add enable remote debugging by default (0e37f76)
• Add support for running Windows Firefox from WSL (b4e260e)

v1.1.0

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Bug Fixes

• safe handling of missing env variables (98a4ada), closes #​67

Features

• support Firefox headless (a1fc1c8)

1.0.1 (2017-03-04)

Bug Fixes

• windows: change getFirefoxExe function to allow running on win64 (a332915)
• windows: change getFirefoxExe function to find exe on other drive (3322a61)
• disable multi-process firefox (9f28aa9)
• only use $HOME environmental variable if it exists (3ffa514)

v1.0.1

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Bug Fixes

• windows: change getFirefoxExe function to allow running on win64 (a332915)
• windows: change getFirefoxExe function to find exe on other drive (3322a61)
• disable multi-process firefox (9f28aa9)
• only use $HOME environmental variable if it exists (3ffa514)

v1.0.0

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