Add goDefaultMap constant
Update externs/ol.js
Make goMap a directive of type A
Make goLayerVisibility a directive of type A
Make goLayerOpacity a directive of type A
Update the simple example
Update the layervisibility example
Update the layeropacity example
Add empty lines to externs/ol.js
Rename mapdirective.js to map.js
Merge pull request #10 from elemoine/refactoring2

Change to A type directives