Updated Gemspec for frank-cucumber noting that this is NGTI specific build.
Ignore libs under gem/frank-skeleton directory. They can be re-built with the command "rake build_for_release"
Fixed issues of merge https://github.com/TestingWithFrank/Frank/commit/5fb43121ee689127f71e07c81f733feeeed3885a
Updated gem spec file to correctly include ignored lib*.a files into gem file.