sync-webkit-git: link to wiki, do some of Tony's review comments
sync-webkit-git: link to wiki, do some of Tony's review comments

I had committed before I got Tony's feedback.  This change does
some of his suggestions and migrates some info to the wiki.

Review URL: http://codereview.chromium.org/195098

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@26286 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