DOC: Add release note about the fix for 32 bit float random variates.
DOC: Add release note about the fix for 32 bit float random variates.

pdebuyl/numpy,charris/numpy,mhvk/numpy,pdebuyl/numpy,numpy/numpy,endolith/numpy,jakirkham/numpy,numpy/numpy,seberg/numpy,pdebuyl/numpy,seberg/numpy,rgommers/numpy,mhvk/numpy,anntzer/numpy,rgommers/numpy,numpy/numpy,mattip/numpy,anntzer/numpy,jakirkham/numpy,endolith/numpy,jakirkham/numpy,endolith/numpy,charris/numpy,numpy/numpy,mattip/numpy,charris/numpy,jakirkham/numpy,pdebuyl/numpy,rgommers/numpy,charris/numpy,mattip/numpy,anntzer/numpy,mhvk/numpy,mhvk/numpy,mattip/numpy,jakirkham/numpy,anntzer/numpy,seberg/numpy,mhvk/numpy,rgommers/numpy,endolith/numpy,seberg/numpy