Revamped Sphinx docs installation guide
Revamped Sphinx docs installation guide

Previously, the Sphinx documentation would point towards the
Google wiki page for installation. The instructions for install
from source were added, and a brief "run sympy" tutorial was
included.

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