107'ish Cache API
Merge pull request #3 from alexsnaps/issue2

107'ish Cache API
Updated core schema to be:
Cache has Store has CachingTier/Authority
Introducing core module
Introducing CacheManager interface
Removed CacheProvider from Cache
Removed Caching
Clean ups
Added (c) headers and license info
Merge pull request #4 from ehcache/ehcache-foundation

Ehcache foundation