Change `membrane` version to `0.0.2`
Change `membrane` version to `0.0.2`

The current bundled version `0.0.4` is not found at the Rubygems site.

kaerlong/nise_bosh,wabcwang/nise_bosh,wabcwang/nise_bosh,kaerlong/nise_bosh,kaerlong/nise_bosh,nttlabs/nise_bosh,nttlabs/nise_bosh,nttlabs/nise_bosh,wabcwang/nise_bosh