Make `init_printing` toggle latex printing for classes
Make `init_printing` toggle latex printing for classes

`init_printing` can now toggle latex text and png rendering on and off
for the relevant classes when it is re-run with a new set of options.

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