Update README.md

s/on/no in "So why do we need this app?"
Merge pull request #4 from ghchinoy/patch-1

Update README.md
Added support for native app voice triggers so you can say "OK Glass, start launchy"
Merge pull request #6 from zhuowei/master

Added native app voice trigger intent so you can say "OK, Glass, start launchy"
Adding support for launching apps via launchy://