Updated doc/source/reference/arrays.scalars.rst
Updated doc/source/reference/arrays.scalars.rst

Fixed unsigned integer aliases.
simongibbons/numpy,mhvk/numpy,mhvk/numpy,jakirkham/numpy,simongibbons/numpy,simongibbons/numpy,endolith/numpy,jakirkham/numpy,mhvk/numpy,numpy/numpy,anntzer/numpy,rgommers/numpy,jakirkham/numpy,pdebuyl/numpy,rgommers/numpy,anntzer/numpy,endolith/numpy,mattip/numpy,mhvk/numpy,pdebuyl/numpy,mattip/numpy,simongibbons/numpy,simongibbons/numpy,seberg/numpy,numpy/numpy,seberg/numpy,anntzer/numpy,endolith/numpy,pdebuyl/numpy,jakirkham/numpy,rgommers/numpy,charris/numpy,charris/numpy,mhvk/numpy,numpy/numpy,seberg/numpy,endolith/numpy,pdebuyl/numpy,jakirkham/numpy,anntzer/numpy,charris/numpy,seberg/numpy,mattip/numpy,mattip/numpy,rgommers/numpy,numpy/numpy,charris/numpy