DOC: Don't point to release version
DOC: Don't point to release version

bashtage/statsmodels,statsmodels/statsmodels,josef-pkt/statsmodels,statsmodels/statsmodels,bashtage/statsmodels,josef-pkt/statsmodels,bashtage/statsmodels,statsmodels/statsmodels,statsmodels/statsmodels,josef-pkt/statsmodels,josef-pkt/statsmodels,bashtage/statsmodels,bashtage/statsmodels,josef-pkt/statsmodels,bashtage/statsmodels,josef-pkt/statsmodels,statsmodels/statsmodels,statsmodels/statsmodels