Version updates

This change updates the versions of all dependencies
Dependency Updates

This change updates the versions of all dependencies
Document Running The Buildpack Locally

It is very useful to run the buildpack locally when debugging or developing it,
there is currently no documentation to explain how this can be done. This commit
adds such documentation.

[#75248910]
Merge branch 'cgfrost-master'

[resolves #76]
Merge remote-tracking branch 'upstream/master'