This pull request contains the proposed set of changes from #144, with the addition of the following additional changes:
added an explicit unit test for the behavior expected when excludeNonFlow is true
applied some additional fixes required by a more recent signatures from the yargs flow-typed definition file (and a more recent flow-bin version)
updated flow to 0.72.0
added an npm script to update the flow-typed definition files (and ensure that we don't generate empty stubs or store in the repo the flow-typed definition files for the devDependencies)
avoid to wait for the flow coverage data when the file is going to be excluded in any case when excludeNonFlow === true
added excludeNonFlow default value in default configs (as false)
This pull request contains the proposed set of changes from #144, with the addition of the following additional changes:
excludeNonFlow === true