minor config fixes for internal Tegola viewer and npm package updates

[coveralls]

Pull Request Test Coverage Report for Build c974fb803-PR-794

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 45.0%

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Totals
Change from base Build ac82d5ffc:	0.0%
Covered Lines:	5427
Relevant Lines:	12060

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💛 - Coveralls

[ARolek]

I just merged this into v0.14.x branch. Thank you!