[Snyk] Fix for 24 vulnerabilities

[rkazakov]

Snyk has created this PR to fix 24 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Authentication Bypass SNYK-JS-HAWK-6969142	786
	Prototype Poisoning SNYK-JS-QS-3153490	696
	Regular Expression Denial of Service (ReDoS) SNYK-JS-UAPARSERJS-1023599	696
	Regular Expression Denial of Service (ReDoS) SNYK-JS-UAPARSERJS-610226	696
	Regular Expression Denial of Service (ReDoS) npm:sshpk:20180409	696
	Prototype Pollution SNYK-JS-INI-1048974	686
	Uninitialized Memory Exposure npm:stringstream:20180511	646
	Prototype Pollution SNYK-JS-JSONSCHEMA-1920922	644
	Prototype Pollution npm:hoek:20180212	636
	Prototype Pollution SNYK-JS-AJV-584908	619
	Regular Expression Denial of Service (ReDoS) SNYK-JS-UAPARSERJS-1072471	616
	Prototype Pollution SNYK-JS-MINIMIST-559764	601
	Regular Expression Denial of Service (ReDoS) SNYK-JS-PATHPARSE-1077067	586
	Regular Expression Denial of Service (ReDoS) npm:ua-parser-js:20180227	586
	Regular Expression Denial of Service (ReDoS) SNYK-JS-HAWK-2808852	584
	Prototype Pollution npm:extend:20180424	579
	Information Exposure SNYK-JS-NODEFETCH-2342118	539
	Denial of Service SNYK-JS-NODEFETCH-674311	520
	Denial of Service (DoS) SNYK-JS-CANVAS-174120	509
	Prototype Pollution SNYK-JS-MINIMIST-2429795	506
	Regular Expression Denial of Service (ReDoS) npm:braces:20180219	506
	Regular Expression Denial of Service (ReDoS) npm:nwmatcher:20180305	506
	Insecure Randomness npm:cryptiles:20180710	479
	Regular Expression Denial of Service (ReDoS) npm:ua-parser-js:20171012	479

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• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Prototype Pollution
🦉 Regular Expression Denial of Service (ReDoS)
🦉 Authentication Bypass
🦉 More lessons are available in Snyk Learn