DOC: Add a release note about the slice based blocking algorithm
DOC: Add a release note about the slice based blocking algorithm

pbrod/numpy,pizzathief/numpy,seberg/numpy,madphysicist/numpy,WarrenWeckesser/numpy,mhvk/numpy,pbrod/numpy,simongibbons/numpy,simongibbons/numpy,ahaldane/numpy,madphysicist/numpy,WarrenWeckesser/numpy,jorisvandenbossche/numpy,pbrod/numpy,seberg/numpy,simongibbons/numpy,anntzer/numpy,gfyoung/numpy,numpy/numpy,pizzathief/numpy,abalkin/numpy,grlee77/numpy,endolith/numpy,jakirkham/numpy,pbrod/numpy,numpy/numpy,seberg/numpy,charris/numpy,jakirkham/numpy,mattip/numpy,charris/numpy,mhvk/numpy,pdebuyl/numpy,mhvk/numpy,gfyoung/numpy,madphysicist/numpy,jorisvandenbossche/numpy,MSeifert04/numpy,seberg/numpy,madphysicist/numpy,ahaldane/numpy,grlee77/numpy,anntzer/numpy,pdebuyl/numpy,shoyer/numpy,grlee77/numpy,numpy/numpy,mattip/numpy,shoyer/numpy,endolith/numpy,rgommers/numpy,endolith/numpy,mhvk/numpy,MSeifert04/numpy,numpy/numpy,ahaldane/numpy,pizzathief/numpy,jakirkham/numpy,ahaldane/numpy,jorisvandenbossche/numpy,anntzer/numpy,ahaldane/numpy,WarrenWeckesser/numpy,pizzathief/numpy,abalkin/numpy,pbrod/numpy,abalkin/numpy,mattip/numpy,pizzathief/numpy,shoyer/numpy,grlee77/numpy,grlee77/numpy,WarrenWeckesser/numpy,pdebuyl/numpy,mhvk/numpy,endolith/numpy,rgommers/numpy,jakirkham/numpy,anntzer/numpy,MSeifert04/numpy,rgommers/numpy,rgommers/numpy,jorisvandenbossche/numpy,jorisvandenbossche/numpy,charris/numpy,charris/numpy,simongibbons/numpy,simongibbons/numpy,shoyer/numpy,jakirkham/numpy,gfyoung/numpy,MSeifert04/numpy,madphysicist/numpy,WarrenWeckesser/numpy,MSeifert04/numpy,pdebuyl/numpy,mattip/numpy,shoyer/numpy