update README, remove old cruft, make it look a little fancier, de-duplicate, refer to website
update README, remove old cruft, make it look a little fancier, de-duplicate, refer to website

jegger/kivy,hansent/kivy,ernstp/kivy,bionoid/kivy,aron-bordin/kivy,youprofit/kivy,angryrancor/kivy,matham/kivy,Cheaterman/kivy,iamutkarshtiwari/kivy,autosportlabs/kivy,bionoid/kivy,JohnHowland/kivy,Cheaterman/kivy,tony/kivy,arlowhite/kivy,wangjun/kivy,jegger/kivy,eHealthAfrica/kivy,jffernandez/kivy,arcticshores/kivy,kivatu/kivy-bak,MiyamotoAkira/kivy,VinGarcia/kivy,inclement/kivy,adamkh/kivy,xpndlabs/kivy,Ramalus/kivy,jehutting/kivy,rafalo1333/kivy,yoelk/kivy,kivatu/kivy-bak,Shyam10/kivy,Farkal/kivy,kived/kivy,tony/kivy,rnixx/kivy,MiyamotoAkira/kivy,rnixx/kivy,mSenyor/kivy,Cheaterman/kivy,edubrunaldi/kivy,darkopevec/kivy,Davideddu/kivy-forkedtouch,VinGarcia/kivy,LogicalDash/kivy,darkopevec/kivy,bhargav2408/kivy,eHealthAfrica/kivy,bliz937/kivy,adamkh/kivy,ehealthafrica-ci/kivy,vitorio/kivy,gonzafirewall/kivy,jkankiewicz/kivy,bob-the-hamster/kivy,jffernandez/kivy,habibmasuro/kivy,xiaoyanit/kivy,MiyamotoAkira/kivy,zennobjects/kivy,thezawad/kivy,xpndlabs/kivy,iamutkarshtiwari/kivy,inclement/kivy,iamutkarshtiwari/kivy,kivy/kivy,eHealthAfrica/kivy,rafalo1333/kivy,arcticshores/kivy,hansent/kivy,xiaoyanit/kivy,JohnHowland/kivy,bob-the-hamster/kivy,jffernandez/kivy,kivy/kivy,tony/kivy,autosportlabs/kivy,manashmndl/kivy,jehutting/kivy,Farkal/kivy,arlowhite/kivy,jkankiewicz/kivy,kivatu/kivy-bak,arcticshores/kivy,el-ethan/kivy,dirkjot/kivy,ernstp/kivy,dirkjot/kivy,thezawad/kivy,xiaoyanit/kivy,bliz937/kivy,akshayaurora/kivy,Cheaterman/kivy,manthansharma/kivy,manashmndl/kivy,yoelk/kivy,JohnHowland/kivy,andnovar/kivy,jffernandez/kivy,bob-the-hamster/kivy,MiyamotoAkira/kivy,viralpandey/kivy,aron-bordin/kivy,youprofit/kivy,niavlys/kivy,gonzafirewall/kivy,angryrancor/kivy,andnovar/kivy,gonzafirewall/kivy,bhargav2408/kivy,aron-bordin/kivy,jkankiewicz/kivy,janssen/kivy,ernstp/kivy,cbenhagen/kivy,manashmndl/kivy,yoelk/kivy,habibmasuro/kivy,mSenyor/kivy,JohnHowland/kivy,bliz937/kivy,Farkal/kivy,mSenyor/kivy,kivatu/kivy-bak,cbenhagen/kivy,Shyam10/kivy,Shyam10/kivy,viralpandey/kivy,zennobjects/kivy,denys-duchier/kivy,matham/kivy,Davideddu/kivy-forkedtouch,ehealthafrica-ci/kivy,KeyWeeUsr/kivy,LogicalDash/kivy,zennobjects/kivy,darkopevec/kivy,wangjun/kivy,jegger/kivy,kived/kivy,denys-duchier/kivy,ehealthafrica-ci/kivy,zennobjects/kivy,niavlys/kivy,viralpandey/kivy,habibmasuro/kivy,cbenhagen/kivy,el-ethan/kivy,youprofit/kivy,dirkjot/kivy,janssen/kivy,adamkh/kivy,hansent/kivy,KeyWeeUsr/kivy,bhargav2408/kivy,KeyWeeUsr/kivy,rnixx/kivy,vipulroxx/kivy,dirkjot/kivy,VinGarcia/kivy,eHealthAfrica/kivy,bionoid/kivy,bob-the-hamster/kivy,vipulroxx/kivy,janssen/kivy,aron-bordin/kivy,ernstp/kivy,vipulroxx/kivy,Farkal/kivy,xpndlabs/kivy,vipulroxx/kivy,angryrancor/kivy,vitorio/kivy,Ramalus/kivy,wangjun/kivy,CuriousLearner/kivy,manthansharma/kivy,jehutting/kivy,ehealthafrica-ci/kivy,wangjun/kivy,bionoid/kivy,manthansharma/kivy,Davideddu/kivy-forkedtouch,KeyWeeUsr/kivy,denys-duchier/kivy,kivy/kivy,CuriousLearner/kivy,rafalo1333/kivy,autosportlabs/kivy,edubrunaldi/kivy,CuriousLearner/kivy,vitorio/kivy,janssen/kivy,arlowhite/kivy,LogicalDash/kivy,thezawad/kivy,akshayaurora/kivy,kived/kivy,angryrancor/kivy,manthansharma/kivy,yoelk/kivy,matham/kivy,adamkh/kivy,Shyam10/kivy,gonzafirewall/kivy,arcticshores/kivy,matham/kivy,Ramalus/kivy,inclement/kivy,niavlys/kivy,andnovar/kivy,darkopevec/kivy,Davideddu/kivy-forkedtouch,jegger/kivy,LogicalDash/kivy,edubrunaldi/kivy,hansent/kivy,el-ethan/kivy,denys-duchier/kivy,niavlys/kivy,akshayaurora/kivy,jkankiewicz/kivy