DOC: fix method signatures in "array subclasses"
DOC: fix method signatures in "array subclasses"

* Change ".. function::" -> ".. method::"
* Remove "self" argument
* Change "self" to "obj" in __array_finalize__

rherault-insa/numpy,rgommers/numpy,kiwifb/numpy,WarrenWeckesser/numpy,pizzathief/numpy,mhvk/numpy,jonathanunderwood/numpy,mattip/numpy,argriffing/numpy,mattip/numpy,ssanderson/numpy,argriffing/numpy,charris/numpy,ContinuumIO/numpy,simongibbons/numpy,bringingheavendown/numpy,ddasilva/numpy,rgommers/numpy,ahaldane/numpy,jonathanunderwood/numpy,chiffa/numpy,numpy/numpy,pbrod/numpy,tynn/numpy,bertrand-l/numpy,anntzer/numpy,bertrand-l/numpy,MSeifert04/numpy,stuarteberg/numpy,ddasilva/numpy,ddasilva/numpy,pdebuyl/numpy,grlee77/numpy,dwillmer/numpy,bringingheavendown/numpy,mwiebe/numpy,shoyer/numpy,chatcannon/numpy,ESSS/numpy,behzadnouri/numpy,SiccarPoint/numpy,AustereCuriosity/numpy,shoyer/numpy,ContinuumIO/numpy,chatcannon/numpy,WarrenWeckesser/numpy,tacaswell/numpy,MSeifert04/numpy,kiwifb/numpy,Dapid/numpy,seberg/numpy,jonathanunderwood/numpy,b-carter/numpy,Eric89GXL/numpy,abalkin/numpy,SiccarPoint/numpy,kiwifb/numpy,dwillmer/numpy,nbeaver/numpy,endolith/numpy,jorisvandenbossche/numpy,njase/numpy,mhvk/numpy,mhvk/numpy,gmcastil/numpy,MSeifert04/numpy,abalkin/numpy,tacaswell/numpy,numpy/numpy,drasmuss/numpy,endolith/numpy,pbrod/numpy,joferkington/numpy,gfyoung/numpy,solarjoe/numpy,pizzathief/numpy,stuarteberg/numpy,shoyer/numpy,ESSS/numpy,solarjoe/numpy,pdebuyl/numpy,solarjoe/numpy,pbrod/numpy,chiffa/numpy,numpy/numpy,ESSS/numpy,jakirkham/numpy,anntzer/numpy,bringingheavendown/numpy,tacaswell/numpy,joferkington/numpy,shoyer/numpy,mattip/numpy,SiccarPoint/numpy,ssanderson/numpy,drasmuss/numpy,Eric89GXL/numpy,Dapid/numpy,maniteja123/numpy,jakirkham/numpy,rgommers/numpy,shoyer/numpy,grlee77/numpy,rherault-insa/numpy,simongibbons/numpy,behzadnouri/numpy,dwillmer/numpy,b-carter/numpy,njase/numpy,charris/numpy,maniteja123/numpy,ahaldane/numpy,WarrenWeckesser/numpy,nbeaver/numpy,gfyoung/numpy,jakirkham/numpy,drasmuss/numpy,madphysicist/numpy,stuarteberg/numpy,jorisvandenbossche/numpy,WarrenWeckesser/numpy,Eric89GXL/numpy,skwbc/numpy,utke1/numpy,seberg/numpy,WarrenWeckesser/numpy,Eric89GXL/numpy,utke1/numpy,grlee77/numpy,tynn/numpy,skwbc/numpy,jorisvandenbossche/numpy,ahaldane/numpy,bertrand-l/numpy,chatcannon/numpy,mhvk/numpy,anntzer/numpy,ahaldane/numpy,jakirkham/numpy,gmcastil/numpy,simongibbons/numpy,jakirkham/numpy,ssanderson/numpy,ContinuumIO/numpy,pizzathief/numpy,stuarteberg/numpy,endolith/numpy,ahaldane/numpy,tynn/numpy,pbrod/numpy,mwiebe/numpy,simongibbons/numpy,grlee77/numpy,pizzathief/numpy,argriffing/numpy,maniteja123/numpy,madphysicist/numpy,dwillmer/numpy,MSeifert04/numpy,joferkington/numpy,gmcastil/numpy,rherault-insa/numpy,gfyoung/numpy,endolith/numpy,Dapid/numpy,charris/numpy,abalkin/numpy,AustereCuriosity/numpy,mattip/numpy,charris/numpy,mhvk/numpy,jorisvandenbossche/numpy,behzadnouri/numpy,seberg/numpy,madphysicist/numpy,pdebuyl/numpy,anntzer/numpy,grlee77/numpy,pdebuyl/numpy,nbeaver/numpy,SiccarPoint/numpy,njase/numpy,mwiebe/numpy,madphysicist/numpy,MSeifert04/numpy,numpy/numpy,rgommers/numpy,skwbc/numpy,pizzathief/numpy,utke1/numpy,chiffa/numpy,madphysicist/numpy,pbrod/numpy,b-carter/numpy,jorisvandenbossche/numpy,simongibbons/numpy,seberg/numpy,AustereCuriosity/numpy,joferkington/numpy