Update README.md

Added correct email address
AdsManager volume now syncs with player volume on ad start
Merge pull request #8 from shawnbuso/master

AdsManager volume now syncs with player volume on ad start
Added support for new IMA custom playback handling
Merge pull request #9 from shawnbuso/master

Added support for new IMA custom playback handling
Fixed iPad black box issue
Merge branch 'master' of github.com:googleads/videojs-ima
Merge pull request #11 from shawnbuso/master

Fixed iPad black box issue
Updated for video.js 4.7
Merge branch 'master' into gh-pages
Updated for video.js 4.7

Updated for video.js 4.7
Merge pull request #13 from shawnbuso/master

Updated for video.js 4.7
Added iPhone sample

Added iPhone sample
Merge branch 'master' of github.com:googleads/videojs-ima
Merge branch 'master' into gh-pages