MAINT: remove hashlib fallback for python < 2.5
MAINT: remove hashlib fallback for python < 2.5

WarrenWeckesser/numpy,grlee77/numpy,jorisvandenbossche/numpy,rgommers/numpy,MSeifert04/numpy,pizzathief/numpy,pdebuyl/numpy,MSeifert04/numpy,tynn/numpy,mhvk/numpy,gfyoung/numpy,shoyer/numpy,seberg/numpy,ahaldane/numpy,mhvk/numpy,Eric89GXL/numpy,shoyer/numpy,jakirkham/numpy,MSeifert04/numpy,pdebuyl/numpy,solarjoe/numpy,abalkin/numpy,WarrenWeckesser/numpy,bringingheavendown/numpy,grlee77/numpy,pizzathief/numpy,grlee77/numpy,seberg/numpy,pdebuyl/numpy,tynn/numpy,jorisvandenbossche/numpy,numpy/numpy,pizzathief/numpy,mhvk/numpy,MSeifert04/numpy,pdebuyl/numpy,grlee77/numpy,madphysicist/numpy,chatcannon/numpy,simongibbons/numpy,jakirkham/numpy,madphysicist/numpy,grlee77/numpy,Eric89GXL/numpy,simongibbons/numpy,b-carter/numpy,chatcannon/numpy,charris/numpy,gfyoung/numpy,seberg/numpy,pbrod/numpy,ahaldane/numpy,Eric89GXL/numpy,endolith/numpy,abalkin/numpy,pbrod/numpy,endolith/numpy,Eric89GXL/numpy,anntzer/numpy,gfyoung/numpy,mattip/numpy,b-carter/numpy,pbrod/numpy,jakirkham/numpy,b-carter/numpy,solarjoe/numpy,mattip/numpy,anntzer/numpy,ahaldane/numpy,shoyer/numpy,jorisvandenbossche/numpy,rgommers/numpy,mhvk/numpy,shoyer/numpy,abalkin/numpy,endolith/numpy,jorisvandenbossche/numpy,WarrenWeckesser/numpy,pizzathief/numpy,WarrenWeckesser/numpy,solarjoe/numpy,jakirkham/numpy,numpy/numpy,WarrenWeckesser/numpy,endolith/numpy,mhvk/numpy,shoyer/numpy,numpy/numpy,ahaldane/numpy,numpy/numpy,bringingheavendown/numpy,anntzer/numpy,charris/numpy,mattip/numpy,jakirkham/numpy,madphysicist/numpy,chatcannon/numpy,pbrod/numpy,MSeifert04/numpy,pizzathief/numpy,madphysicist/numpy,pbrod/numpy,bringingheavendown/numpy,anntzer/numpy,rgommers/numpy,ahaldane/numpy,seberg/numpy,simongibbons/numpy,rgommers/numpy,mattip/numpy,simongibbons/numpy,simongibbons/numpy,jorisvandenbossche/numpy,madphysicist/numpy,charris/numpy,tynn/numpy,charris/numpy