add note to rint docstrings
add note to rint docstrings

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