k8s: add rethinkdb python client drivers via pip (note; actually adds 140MB to image, which is disappointing)
k8s: add rethinkdb python client drivers via pip (note; actually adds 140MB to image, which is disappointing)

tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc,DrXyzzy/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc