Update README.md

bump to 0.0.11

package.json: update browserify

update with latest clappr (0.0.69)

package: update versions

bump to 0.0.10

main: dispatch stats only if period > 0

main: listen to stats:add instead of p2phlsstats:add

update plugin with clappr 0.0.29

style: hardcode path

main: hide on init

main: update constructor name according to clappr new version

bump to 0.0.9

main: avoid double ping

main: fix p2pRatio calculation and ping metrics only after first play