Ninja fix bintray upload issues
Ninja fix bintray upload issues

The addition of the `-B` flag when invoking maven to extract the version number made it return a blank value.

thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper