This change also updates the various .gitignore files to discard the
files and directories created by the fpb script.
Change-Id: Ica96a7262893529d8afce35cef877355c73f641c
The Puppet tests fail on Jenkins because bundler tries to install the
Ruby gems to the default GEM_HOME which is protected. This change sets
the GEM_HOME variable to a local directory.
Change-Id: I65d65358ca0c0fb9d01ed73bb156334fa5fa6edc