don’t include buildpack ZIP files in git checkins

[#84419616]
add buildpack-build support [#84419616]

This includes a basic test with Machete for a sanity check that offline and online buildpacks build correctly for CF.
ignore log/ from CF tests [#84419616]
Change version number from 1.0.0 to 3.0.0 [Finishes #84931206]