[DEV-11637] Reverting ZipFileGenerator back to the version that's compatible with RubyZip 0.9.9.
[DEV-11637] Reverting ZipFileGenerator back to the version
that's compatible with RubyZip 0.9.9.

lukepolo/chorus,prakash-alpine/chorus,jamesblunt/chorus,jamesblunt/chorus,jamesblunt/chorus,lukepolo/chorus,lukepolo/chorus,lukepolo/chorus,lukepolo/chorus,lukepolo/chorus,prakash-alpine/chorus,prakash-alpine/chorus,jamesblunt/chorus,lukepolo/chorus,jamesblunt/chorus,jamesblunt/chorus,jamesblunt/chorus,prakash-alpine/chorus,prakash-alpine/chorus