Add links to platform repos in README.
Add links to platform repos in README.

SaganBolliger/nupic,BoltzmannBrain/nupic,markneville/nupic,neuroidss/nupic,lscheinkman/nupic,fergalbyrne/nupic,ben-hopps/nupic,badlogicmanpreet/nupic,rcrowder/nupic,rayNymous/nupic,rhyolight/nupic,passiweinberger/nupic,vamsirajendra/nupic,loretoparisi/nupic,darshanthaker/nupic,blueburningcoder/nupic,go-bears/nupic,sambitgaan/nupic,chen0031/nupic,subutai/nupic,elkingtonmcb/nupic,eranchetz/nupic,pap/nupic,GeraldLoeffler/nupic,sambitgaan/nupic,EricSB/nupic,metaml/nupic,blueburningcoder/nupic,vamsirajendra/nupic,pulinagrawal/nupic,pulinagrawal/nupic,glorizen/nupic,loretoparisi/nupic,vamsirajendra/nupic,numenta/nupic,vitaly-krugl/nupic,allanino/nupic,akhilaananthram/nupic,eranchetz/nupic,BoltzmannBrain/nupic,wanghaven/nupic,metaml/nupic,arhik/nupic,numenta-ci/nupic,jcasner/nupic,alfonsokim/nupic,ywcui1990/nupic,runt18/nupic,akhilaananthram/nupic,chanceraine/nupic,arhik/nupic,glorizen/nupic,rayNymous/nupic,brev/nupic,BeiLuoShiMen/nupic,markneville/nupic,alfonsokim/nupic,chen0031/nupic,rhyolight/nupic,marionleborgne/nupic,allanino/nupic,markneville/nupic,breznak/nupic,ywcui1990/nupic,badlogicmanpreet/nupic,pap/nupic,lscheinkman/nupic,passiweinberger/nupic,subutai/nupic,BoltzmannBrain/nupic,fergalbyrne/nupic,vitaly-krugl/nupic,brev/nupic,cogmission/nupic,chanceraine/nupic,rcrowder/nupic,akhilaananthram/nupic,numenta/nupic,scottpurdy/nupic,chanceraine/nupic,alfonsokim/nupic,jcasner/nupic,breznak/nupic,marionleborgne/nupic,rhyolight/nupic,glorizen/nupic,cogmission/nupic,virneo/nupic,brev/nupic,EricSB/nupic,numenta-ci/nupic,runt18/nupic,mcanthony/nupic,mcanthony/nupic,neuroidss/nupic,cngo-github/nupic,go-bears/nupic,arhik/nupic,go-bears/nupic,rayNymous/nupic,scottpurdy/nupic,loretoparisi/nupic,SaganBolliger/nupic,allanino/nupic,runt18/nupic,sambitgaan/nupic,elkingtonmcb/nupic,vitaly-krugl/nupic,breznak/nupic,badlogicmanpreet/nupic,ben-hopps/nupic,neuroidss/nupic,GeraldLoeffler/nupic,metaml/nupic,lscheinkman/nupic,BeiLuoShiMen/nupic,virneo/nupic,numenta/nupic,SaganBolliger/nupic,BeiLuoShiMen/nupic,GeraldLoeffler/nupic,numenta-ci/nupic,subutai/nupic,cngo-github/nupic,blueburningcoder/nupic,pulinagrawal/nupic,chen0031/nupic,jcasner/nupic,ben-hopps/nupic,EricSB/nupic,darshanthaker/nupic,eranchetz/nupic,passiweinberger/nupic,darshanthaker/nupic,scottpurdy/nupic,pap/nupic,fergalbyrne/nupic,cngo-github/nupic,elkingtonmcb/nupic,cogmission/nupic,wanghaven/nupic,rcrowder/nupic,wanghaven/nupic,ywcui1990/nupic,marionleborgne/nupic,mcanthony/nupic,virneo/nupic