(GH-397) Update Editor Services vendoring for sidecar
(GH-397) Update Editor Services vendoring for sidecar

The Puppet Editor Services now include an additional file in the root of the
tarball/zip.  This commit updates the Gulpfile vendoring process to include the
new file.

glennsarti/puppet-vscode,jpogran/puppet-vscode,jpogran/puppet-vscode