Issue 101

Shouldn't be too off... 
For @timeck the `ParsesConfigExtensionTest` class contains my take on how to make this all work within our `javax.cache.CacheManager` implementation... 
I think we might want an empty config to be valid. I currently have the 107 wrapper loading an ehcache-failsafe.xml resource when creating a 107 CacheManager and not providing a config URI