Handlebars fixes#442

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falahati wants to merge 3 commits intomadskristensen:masterfrom

falahati:handlebars2

Commits on Oct 31, 2019

Fixes a problem with handlebars compiler not reading the compilerconfig.json.default values
falahati
committed
Fixes a problem with handlebars.knownHelpers property getting read as string but written as an array
falahati
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Readme and package information updated to reflect the fact that `.handlebars` and `.hbs` files are supported
falahati
committed