DOC: whatsnew link v0.18.0 for float_indexers
DOC: whatsnew link v0.18.0 for float_indexers

Author: Jeff Reback <jeff@reback.net>

Closes #12324 from jreback/doc3 and squashes the following commits:

11d8f7b [Jeff Reback] DOC: whatsnew link v0.18.0 for float_indexers

DGrady/pandas,pratapvardhan/pandas,linebp/pandas,harisbal/pandas,cython-testbed/pandas,TomAugspurger/pandas,pratapvardhan/pandas,jmmease/pandas,winklerand/pandas,jreback/pandas,zfrenchee/pandas,pandas-dev/pandas,MJuddBooth/pandas,TomAugspurger/pandas,harisbal/pandas,gfyoung/pandas,cython-testbed/pandas,jreback/pandas,pratapvardhan/pandas,jmmease/pandas,Winand/pandas,MJuddBooth/pandas,toobaz/pandas,amolkahat/pandas,winklerand/pandas,winklerand/pandas,toobaz/pandas,MJuddBooth/pandas,linebp/pandas,nmartensen/pandas,TomAugspurger/pandas,Winand/pandas,nmartensen/pandas,louispotok/pandas,pandas-dev/pandas,datapythonista/pandas,GuessWhoSamFoo/pandas,nmartensen/pandas,louispotok/pandas,nmartensen/pandas,toobaz/pandas,GuessWhoSamFoo/pandas,Winand/pandas,louispotok/pandas,jmmease/pandas,toobaz/pandas,amolkahat/pandas,GuessWhoSamFoo/pandas,cbertinato/pandas,zfrenchee/pandas,cbertinato/pandas,harisbal/pandas,rs2/pandas,dsm054/pandas,pratapvardhan/pandas,Winand/pandas,jreback/pandas,winklerand/pandas,winklerand/pandas,louispotok/pandas,toobaz/pandas,MJuddBooth/pandas,gfyoung/pandas,zfrenchee/pandas,dsm054/pandas,kdebrab/pandas,rs2/pandas,gfyoung/pandas,cython-testbed/pandas,dsm054/pandas,jmmease/pandas,dsm054/pandas,rs2/pandas,cbertinato/pandas,Winand/pandas,datapythonista/pandas,winklerand/pandas,zfrenchee/pandas,pandas-dev/pandas,jreback/pandas,datapythonista/pandas,linebp/pandas,cbertinato/pandas,DGrady/pandas,datapythonista/pandas,nmartensen/pandas,linebp/pandas,zfrenchee/pandas,cbertinato/pandas,amolkahat/pandas,jorisvandenbossche/pandas,jreback/pandas,kdebrab/pandas,jmmease/pandas,DGrady/pandas,cython-testbed/pandas,jorisvandenbossche/pandas,GuessWhoSamFoo/pandas,gfyoung/pandas,DGrady/pandas,kdebrab/pandas,louispotok/pandas,jorisvandenbossche/pandas,gfyoung/pandas,GuessWhoSamFoo/pandas,TomAugspurger/pandas,DGrady/pandas,jorisvandenbossche/pandas,harisbal/pandas,amolkahat/pandas,nmartensen/pandas,dsm054/pandas,harisbal/pandas,cython-testbed/pandas,MJuddBooth/pandas,jmmease/pandas,kdebrab/pandas,kdebrab/pandas,amolkahat/pandas,Winand/pandas,pratapvardhan/pandas,linebp/pandas,rs2/pandas,DGrady/pandas,linebp/pandas,pandas-dev/pandas