Warning BC break, remove the automatic `__init()` calling from `lithium\core\Libraries`.
Fix for Database::_sort (#986). Will not output ORDER BY clause if given field is empty (ie. if  = array()).
Updated a test case.
Merge pull request #987 from marcghorayeb/fix-sql-empty-sort

Fix Database::_sort outputs empty ORDER BY clauses
Fixes #988. Fixes #804. Message::body removes empty values before encoding.
Fixes #988. Fixes #804. Again, but simpler and doesn't break other stuff.
Merge branch 'master' into dev
Allowing explicit related models to be service located.
Resolves the issue in #460
Merge pull request #993 from joebeeson/460-mysql

Resolves the issue in #460
Skip tests which require Mongo if Mongo is not installed.
Merge pull request #994 from jails/refactor/make-mongo-optional-for-tests

Skip tests which require Mongo if Mongo is not installed (close #991).
Add missing mock file.
Improving Mongo relationship key detection.
Adding relationship strategies for more dynamic configuration.
Implementing naive relationship fetching & docs.
Allow `lithium\Environment::reset()` to remove a specific env only for testing purpose.
Change Entity::__set() signature to prevent STRICT warning
Merge pull request #1012 from wnasich/entity_set_signature

Change Entity::__set() signature to prevent STRICT warning
Double check the file exists before deleting in File cache adapter.

Fixes #1014
Merge pull request #1015 from blainesch/bug/race

Double check the file exists before deleting in File cache adapter.