propertyStyles of a Style's default symbolizer will not be parsed unless rules are specified

Confirmed that tests pass in FF and examples still work. Can you write a little more detail on this ticket about how this works (and why it didn't before)?

I also think a nice styles.html example showing the different style options would be nice (in particular because it's not immediately clear what the tests do and do not cover and an example would let us see what behavior we want to maintain).

That said, I think this is is good to go (especially if you add a detailed comment before committing).

http://trac.openlayers.org/wiki/Styles#UsingPropertyStyles shows the usage of propertyStyles in a way that would not work without the patch for this ticket.

http://www.openlayers.org/dev/examples/georss-flickr.html is not affected by the issue, because rules are added.

The example contained in #1433 is also affected by the issue. It defines a default style like this:

var styleMap = new OpenLayers.StyleMap({
    "default": {
        externalGraphic: "../img/marker-gold.png",
        graphicHeight: 20,
        graphicYOffset: -19,
        rotation: "${angle}",
        fillOpacity: "${opacity}"
    },
    "select": {
        externalGraphic: "../img/marker.png"
    }
})

The rotation will be determined by the value of the angle property of the feature, and the opacity will be determined by the value of the opacity property.

The original test in test_Style.html that is modified by this patch is not affected by the issue, because the substitution of the property styles is done after rules are added to the style. The modified test will fail without the issue being fixed, because it adds the rules after checking for the correct substitution of the property styles.

(In [6505]) propertyStyles of a Style's default symbolizer will not be parsed unless rules are specified. r=tschaub (closes #1432)