Add comparison of replication protocol with Git.
Add comparison of replication protocol with Git.

Thanks Jason Smith for the post:
http://stackoverflow.com/a/4766398/965635

robertkowalski/couch-doc-test,robertkowalski/couchdb-documentation,KimStebel/couchdb-documentation,cloudant/couchdb-documentation,kxepal/couchdb-documentation,robertkowalski/couchdb-documentation,cloudant/couchdb-documentation,KimStebel/couchdb-documentation,robertkowalski/couchdb-documentation,andywenk/couchdb-documentation,robertkowalski/couch-doc-test,robertkowalski/couch-doc-test,kxepal/couchdb-documentation,kxepal/couchdb-documentation,andywenk/couchdb-documentation,micah/couchdb-documentation,micah/couchdb-documentation,micah/couchdb-documentation,KimStebel/couchdb-documentation,andywenk/couchdb-documentation