added basic Cassandra backend code
Constructor for CassandraBackend
async added, starting CassandraBackend
async added, starting CassandraBackend
Merge branch 'master' of github.com:gwicke/testreduce
fixed .gitignore
Merge branch 'master' of github.com:krishnan-chandra/testreduce
Removed EventEmitter subclassing from CassandraBackend
Merge pull request #4 from krishnan-chandra/master

Basic Cassandra backend code