Added another unity injection example with the new CacheFactory overl…

…oads.

Fixing mono replacement project.json versions

Cleanup

Changes BaseCacheHandle expiration handling. Fixes MichaCo#1

Unit test fix

Added .Net 40 support from some nugets

Added documentation export on couchbase project

Some tests changed to be aligned with memcached. Except clear region,…

… everything seems to work fine.

Nuget 0.4 release prep