added dependency info to readme
added dependency info to readme

tilt-eng/betamax,betamaxteam/betamax,felipecsl/okreplay,tilt-eng/betamax,felipecsl/walkman,felipecsl/okreplay,robfletcher/betamax,georgecodes/betamax,nuxusr/walkman,dadoonet/betamax,betamaxteam/betamax,dadoonet/betamax,dadoonet/betamax,Banno/betamax,georgecodes/betamax,Banno/betamax,nuxusr/walkman,robfletcher/betamax,felipecsl/walkman,tilt-eng/betamax,Banno/betamax,georgecodes/betamax,nuxusr/walkman