Clean up Order docstring
Clean up Order docstring

General cleanup of the docstring for the Order class, including having
the docstring use latex reST.

VaibhavAgarwalVA/sympy,grevutiu-gabriel/sympy,sampadsaha5/sympy,maniteja123/sympy,maniteja123/sympy,abloomston/sympy,lidavidm/sympy,Shaswat27/sympy,hargup/sympy,Arafatk/sympy,kaushik94/sympy,hrashk/sympy,mafiya69/sympy,jaimahajan1997/sympy,beni55/sympy,drufat/sympy,dqnykamp/sympy,ChristinaZografou/sympy,beni55/sympy,shikil/sympy,shipci/sympy,dqnykamp/sympy,ga7g08/sympy,kumarkrishna/sympy,saurabhjn76/sympy,vipulroxx/sympy,jaimahajan1997/sympy,asm666/sympy,oliverlee/sympy,pbrady/sympy,chaffra/sympy,souravsingh/sympy,AkademieOlympia/sympy,aktech/sympy,aktech/sympy,bukzor/sympy,saurabhjn76/sympy,kmacinnis/sympy,Titan-C/sympy,souravsingh/sympy,debugger22/sympy,kaushik94/sympy,bukzor/sympy,moble/sympy,lindsayad/sympy,meghana1995/sympy,yashsharan/sympy,beni55/sympy,Shaswat27/sympy,atsao72/sympy,kaichogami/sympy,abhiii5459/sympy,AunShiLord/sympy,yashsharan/sympy,sahilshekhawat/sympy,emon10005/sympy,kaushik94/sympy,mcdaniel67/sympy,ahhda/sympy,rahuldan/sympy,Gadal/sympy,abloomston/sympy,Mitchkoens/sympy,postvakje/sympy,wyom/sympy,bukzor/sympy,Curious72/sympy,Vishluck/sympy,oliverlee/sympy,cswiercz/sympy,postvakje/sympy,yukoba/sympy,Davidjohnwilson/sympy,asm666/sympy,shipci/sympy,skidzo/sympy,madan96/sympy,diofant/diofant,liangjiaxing/sympy,chaffra/sympy,jbbskinny/sympy,wyom/sympy,MechCoder/sympy,hargup/sympy,AunShiLord/sympy,sampadsaha5/sympy,asm666/sympy,liangjiaxing/sympy,madan96/sympy,rahuldan/sympy,moble/sympy,yashsharan/sympy,jerli/sympy,shipci/sympy,garvitr/sympy,mcdaniel67/sympy,srjoglekar246/sympy,toolforger/sympy,pbrady/sympy,MridulS/sympy,AkademieOlympia/sympy,pandeyadarsh/sympy,kumarkrishna/sympy,Vishluck/sympy,jamesblunt/sympy,jerli/sympy,sunny94/temp,Sumith1896/sympy,drufat/sympy,jamesblunt/sympy,ahhda/sympy,yukoba/sympy,AkademieOlympia/sympy,flacjacket/sympy,atsao72/sympy,lindsayad/sympy,sunny94/temp,ga7g08/sympy,debugger22/sympy,Designist/sympy,MechCoder/sympy,Designist/sympy,shikil/sympy,Sumith1896/sympy,debugger22/sympy,iamutkarshtiwari/sympy,mcdaniel67/sympy,maniteja123/sympy,jaimahajan1997/sympy,postvakje/sympy,grevutiu-gabriel/sympy,abhiii5459/sympy,AunShiLord/sympy,emon10005/sympy,moble/sympy,jerli/sympy,Gadal/sympy,jbbskinny/sympy,sahmed95/sympy,sahilshekhawat/sympy,hrashk/sympy,drufat/sympy,madan96/sympy,aktech/sympy,Gadal/sympy,cswiercz/sympy,saurabhjn76/sympy,cccfran/sympy,lidavidm/sympy,hrashk/sympy,wanglongqi/sympy,atreyv/sympy,iamutkarshtiwari/sympy,sampadsaha5/sympy,jbbskinny/sympy,garvitr/sympy,MridulS/sympy,rahuldan/sympy,oliverlee/sympy,toolforger/sympy,garvitr/sympy,amitjamadagni/sympy,MechCoder/sympy,kevalds51/sympy,atreyv/sympy,toolforger/sympy,MridulS/sympy,amitjamadagni/sympy,kevalds51/sympy,sahmed95/sympy,vipulroxx/sympy,cccfran/sympy,jamesblunt/sympy,meghana1995/sympy,pbrady/sympy,skidzo/sympy,souravsingh/sympy,Arafatk/sympy,lindsayad/sympy,Arafatk/sympy,sahmed95/sympy,Designist/sympy,Mitchkoens/sympy,Titan-C/sympy,wanglongqi/sympy,farhaanbukhsh/sympy,dqnykamp/sympy,hargup/sympy,VaibhavAgarwalVA/sympy,Shaswat27/sympy,pandeyadarsh/sympy,ChristinaZografou/sympy,kmacinnis/sympy,atreyv/sympy,Vishluck/sympy,ahhda/sympy,mafiya69/sympy,grevutiu-gabriel/sympy,chaffra/sympy,iamutkarshtiwari/sympy,vipulroxx/sympy,VaibhavAgarwalVA/sympy,kumarkrishna/sympy,liangjiaxing/sympy,farhaanbukhsh/sympy,kevalds51/sympy,mafiya69/sympy,kmacinnis/sympy,pandeyadarsh/sympy,skidzo/sympy,abhiii5459/sympy,kaichogami/sympy,Davidjohnwilson/sympy,ga7g08/sympy,sunny94/temp,wyom/sympy,farhaanbukhsh/sympy,kaichogami/sympy,Titan-C/sympy,Mitchkoens/sympy,Davidjohnwilson/sympy,lidavidm/sympy,cswiercz/sympy,Sumith1896/sympy,atsao72/sympy,emon10005/sympy,skirpichev/omg,Curious72/sympy,shikil/sympy,cccfran/sympy,sahilshekhawat/sympy,meghana1995/sympy,wanglongqi/sympy,yukoba/sympy,abloomston/sympy,ChristinaZografou/sympy,Curious72/sympy