Current schema
Default, unique and persistent connections
Charset support for connection
The configuration key for connection to Oracle Database was renamed from "instance" to "hostname".
syntax fix
Remove useless shared in ServiceManager

Shared or not a service as no sense, because a service shared is
register in "instances" array, and "setService" register automatically
in "instances" array. With "setService", all is always shared !
Fix typo
Create an ArrayObject that actually mimics the PHP array object but returns things by reference, merged items to leverage new ArrayObject
:Merge branch 'master' into oracle_fix
5.3.3 compatibility
Resolved several unit test failures, more 5.3.3 compat, updated tests
Merge branch 'master' of https://github.com/zendframework/zf2 into hotfix/session-container-array-object
Resolved additional 5.3.3 failures, resolved issues introduced to > 5.3.3 versions
5.3.3 compatibility for metadata, updated test from php arrayobject getiterator example
Resolved unit test failure
Resolved last remaining unit test failure
Revert unrelated changes
Abstracted session array storage in order to provide return by reference for php 5.3.3 and greater, added tests to all storage facilities and markTestSkipped for 5.3.3
Container now has a proper getIterator, previously always assumed it would have an instance of ArrayObject
CS fixes

- trailing whitespace
Merge pull request #3675 branch 'hotfix/remove-always-true'
Zend\Validator\Db
* Fix validator to produce Select object with proper placeholders in parameter container