py3k: remove trailing whitespace in bin/use2to3
py3k: remove trailing whitespace in bin/use2to3

2to3 can add trailing whitespace to translated files, which
makes test runner upset. Added code for removing trailing
whitespace from translated files.

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