Add a comment explaining how to create keys for component extensions, since people hit this all the time.
Add a comment explaining how to create keys for component
extensions, since people hit this all the time.

TBR=mpcomplete@chromium.org

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@73408 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser