[Snyk] Fix for 24 vulnerabilities

[Bhanditz]

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

Snyk changed the following file(s):

• package.json
• package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-7577916	776
	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-7577917	776
	Improper Verification of Cryptographic Signature SNYK-JS-ELLIPTIC-7577918	776
	Prototype Pollution SNYK-JS-LODASH-567746	731
	Cross-site Scripting (XSS) SNYK-JS-JQUERY-567880	711
	Cryptographic Issues SNYK-JS-ELLIPTIC-571484	706
	Cross-site Scripting (XSS) SNYK-JS-JQUERY-565129	701
	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
	Code Injection SNYK-JS-LODASH-1040724	681
	Prototype Pollution SNYK-JS-JSONSCHEMA-1920922	644
	Regular Expression Denial of Service (ReDoS) SNYK-JS-UAPARSERJS-1072471	616
	Prototype Pollution SNYK-JS-JQUERY-174006	601
	Improper Verification of Cryptographic Signature SNYK-JS-BROWSERIFYSIGN-6037026	589
	Regular Expression Denial of Service (ReDoS) SNYK-JS-LODASH-1018905	586
	Regular Expression Denial of Service (ReDoS) npm:ua-parser-js:20180227	586
	Cryptographic Issues SNYK-JS-ELLIPTIC-1064899	554
	Information Exposure SNYK-JS-NODEFETCH-2342118	539
	Denial of Service SNYK-JS-NODEFETCH-674311	520
	Denial of Service (DoS) SNYK-JS-CANVAS-174120	509
	Timing Attack SNYK-JS-ELLIPTIC-511941	509
	Regular Expression Denial of Service (ReDoS) npm:nwmatcher:20180305	506

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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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🦉 Denial of Service (DoS)
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🦉 Prototype Pollution
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