added v2 cassandra store to prod sources
added v2 cassandra store to prod sources

Change-Id: I33405984b17bc86c602150ab2de0c038c8b1d378

kartotherian/kartotherian,nyurik/kartotherian,nyurik/kartotherian,kartotherian/kartotherian,kartotherian/kartotherian,nyurik/kartotherian,kartotherian/kartotherian,nyurik/kartotherian