DOC: ecosystem.rst: QtPandas
DOC: ecosystem.rst: QtPandas

xref draperjames/qtpandas#36

Author: Wes Turner <wes.turner@gmail.com>

Closes #15813 from westurner/patch-5 and squashes the following commits:

a97084e [Wes Turner] DOC: ecosystem.rst: QtPandas

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