add note about ipv6 localhost workaround. [#12 state:resolved]
add note about ipv6 localhost workaround. [#12 state:resolved]

	modified:   README.md

ehealthafrica-ci/couchdb-lucene,rnewson/couchdb-lucene,rnewson/couchdb-lucene,ehealthafrica-ci/couchdb-lucene,eHealthAfrica/couchdb-lucene,eHealthAfrica/couchdb-lucene,ehealthafrica-ci/couchdb-lucene,eHealthAfrica/couchdb-lucene,rnewson/couchdb-lucene