Basic support for cache store

including minimum support for memcached using net.spy:spymemcached:2.11.4

Signed-off-by: Robin Smith <robin.smith@clicktravel.com>
Missing copyright declaration

Signed-off-by: Robin Smith <robin.smith@clicktravel.com>
Merge branch 'master' of github.com:ClickTravel/Cheddar
Suggested changes for memcache support

Signed-off-by: Robin Smith <robin.smith@clicktravel.com>
Rename Memcached implementation to meet the new interface name

Signed-off-by: Robin Smith <robin.smith@clicktravel.com>
Refactor ObjectCache to be called ItemCache

Signed-off-by: Robin Smith <robin.smith@clicktravel.com>
Renaming local variables to "item" from "object"

Signed-off-by: Robin Smith <robin.smith@clicktravel.com>
Itemcache java doc update

Signed-off-by: Robin Smith <robin.smith@clicktravel.com>
More javadoc changes

Signed-off-by: Robin Smith <robin.smith@clicktravel.com>
Merge pull request #26 from clicktravel-robin/master

Basic support for cache store