Reviewed by Timothy Hatcher.  Patch by Mark Rowe.

        Bug 9689: Nightly builds should warn a user about potential problems when using
        "Safari extensions"
        http://bugzilla.opendarwin.org/show_bug.cgi?id=9689

        * WebKitLauncher/WebKitLauncher.xcodeproj/project.pbxproj:
        * WebKitLauncher/WebKitNightlyEnabler.m:
        (myBundleDidLoad): Keep track of if any bundles that are loaded.
        (myApplicationWillFinishLaunching):  Notify user if any bundles are loaded.
        (cleanUpAfterOurselves): Register for NSBundleDidLoadNotification and
        NSApplicationWillFinishLaunchingNotification notifications so that we can
        track bundle loads and notify the user at launch completion.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@15136 268f45cc-cd09-0410-ab3c-d52691b4dbfc