unskip some doctests in ellipse.py
unskip some doctests in ellipse.py

bukzor/sympy,jamesblunt/sympy,cccfran/sympy,drufat/sympy,shipci/sympy,aktech/sympy,lidavidm/sympy,pandeyadarsh/sympy,rahuldan/sympy,lidavidm/sympy,yukoba/sympy,hargup/sympy,pbrady/sympy,postvakje/sympy,Sumith1896/sympy,AunShiLord/sympy,mafiya69/sympy,moble/sympy,yashsharan/sympy,MechCoder/sympy,maniteja123/sympy,beni55/sympy,Arafatk/sympy,chaffra/sympy,jamesblunt/sympy,emon10005/sympy,Gadal/sympy,oliverlee/sympy,jerli/sympy,grevutiu-gabriel/sympy,sunny94/temp,kaichogami/sympy,iamutkarshtiwari/sympy,ChristinaZografou/sympy,sahmed95/sympy,mcdaniel67/sympy,sahmed95/sympy,saurabhjn76/sympy,wyom/sympy,jaimahajan1997/sympy,debugger22/sympy,madan96/sympy,Titan-C/sympy,Vishluck/sympy,yashsharan/sympy,sahilshekhawat/sympy,kmacinnis/sympy,ChristinaZografou/sympy,jbbskinny/sympy,kevalds51/sympy,maniteja123/sympy,garvitr/sympy,dqnykamp/sympy,kumarkrishna/sympy,grevutiu-gabriel/sympy,yashsharan/sympy,MridulS/sympy,shipci/sympy,abloomston/sympy,souravsingh/sympy,Davidjohnwilson/sympy,vipulroxx/sympy,chaffra/sympy,hrashk/sympy,yukoba/sympy,vipulroxx/sympy,mafiya69/sympy,debugger22/sympy,kaichogami/sympy,wyom/sympy,saurabhjn76/sympy,lidavidm/sympy,farhaanbukhsh/sympy,abloomston/sympy,asm666/sympy,VaibhavAgarwalVA/sympy,AkademieOlympia/sympy,atsao72/sympy,Arafatk/sympy,Designist/sympy,moble/sympy,rahuldan/sympy,kumarkrishna/sympy,jbbskinny/sympy,Designist/sympy,wyom/sympy,pandeyadarsh/sympy,Mitchkoens/sympy,souravsingh/sympy,cccfran/sympy,MechCoder/sympy,atreyv/sympy,Davidjohnwilson/sympy,sampadsaha5/sympy,Sumith1896/sympy,wanglongqi/sympy,Shaswat27/sympy,hrashk/sympy,iamutkarshtiwari/sympy,MridulS/sympy,sunny94/temp,garvitr/sympy,asm666/sympy,madan96/sympy,abhiii5459/sympy,farhaanbukhsh/sympy,Davidjohnwilson/sympy,emon10005/sympy,kaushik94/sympy,Sumith1896/sympy,ChristinaZografou/sympy,moble/sympy,shikil/sympy,sunny94/temp,meghana1995/sympy,lindsayad/sympy,madan96/sympy,cswiercz/sympy,liangjiaxing/sympy,souravsingh/sympy,ahhda/sympy,meghana1995/sympy,drufat/sympy,liangjiaxing/sympy,Curious72/sympy,ga7g08/sympy,kmacinnis/sympy,MechCoder/sympy,farhaanbukhsh/sympy,oliverlee/sympy,beni55/sympy,Arafatk/sympy,hargup/sympy,skidzo/sympy,atsao72/sympy,Mitchkoens/sympy,mafiya69/sympy,rahuldan/sympy,emon10005/sympy,diofant/diofant,skirpichev/omg,kaushik94/sympy,drufat/sympy,yukoba/sympy,asm666/sympy,mcdaniel67/sympy,Gadal/sympy,jamesblunt/sympy,aktech/sympy,Titan-C/sympy,postvakje/sympy,MridulS/sympy,kevalds51/sympy,atsao72/sympy,sahilshekhawat/sympy,vipulroxx/sympy,abhiii5459/sympy,kevalds51/sympy,Curious72/sympy,abloomston/sympy,toolforger/sympy,AkademieOlympia/sympy,kumarkrishna/sympy,ahhda/sympy,kaichogami/sympy,AunShiLord/sympy,cswiercz/sympy,shipci/sympy,maniteja123/sympy,Mitchkoens/sympy,iamutkarshtiwari/sympy,jerli/sympy,dqnykamp/sympy,cccfran/sympy,Shaswat27/sympy,aktech/sympy,sampadsaha5/sympy,shikil/sympy,hrashk/sympy,jaimahajan1997/sympy,jerli/sympy,beni55/sympy,ahhda/sympy,pbrady/sympy,chaffra/sympy,lindsayad/sympy,toolforger/sympy,grevutiu-gabriel/sympy,atreyv/sympy,debugger22/sympy,Vishluck/sympy,Titan-C/sympy,oliverlee/sympy,Gadal/sympy,mcdaniel67/sympy,hargup/sympy,jbbskinny/sympy,sampadsaha5/sympy,VaibhavAgarwalVA/sympy,pandeyadarsh/sympy,Curious72/sympy,saurabhjn76/sympy,toolforger/sympy,lindsayad/sympy,skidzo/sympy,postvakje/sympy,VaibhavAgarwalVA/sympy,cswiercz/sympy,bukzor/sympy,AunShiLord/sympy,meghana1995/sympy,ga7g08/sympy,sahmed95/sympy,garvitr/sympy,wanglongqi/sympy,sahilshekhawat/sympy,kmacinnis/sympy,liangjiaxing/sympy,Shaswat27/sympy,bukzor/sympy,kaushik94/sympy,wanglongqi/sympy,atreyv/sympy,skidzo/sympy,jaimahajan1997/sympy,Designist/sympy,pbrady/sympy,Vishluck/sympy,abhiii5459/sympy,shikil/sympy,AkademieOlympia/sympy,ga7g08/sympy,dqnykamp/sympy