Add a parameter to skip initial scans

[binford2k]

There are some use cases, such as changing environments where you may
not want the first scan to happen during the Puppet run. This gives you
that option.

Fixes #16

[puppet-community-rangefinder]

log4jscanner is a class

that may have no external impact to Forge modules.

This module is declared in 0 of 578 indexed public Puppetfiles.

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These results were generated with Rangefinder, a tool that helps predict the downstream impact of breaking changes to elements used in Puppet modules. You can run this on the command line to get a full report.

Exact matches are those that we can positively identify via namespace and the declaring modules' metadata. Non-namespaced items, such as Puppet 3.x functions, will always be reported as near matches only.

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