DOC: add NPY_CHAR note to release notes
DOC: add NPY_CHAR note to release notes

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