[ZF3] Remove StorageFactory and PatternFactory

[weierophinney]

Hey there,

I would like to drop those abstract factories in favor of using the related PluginManagers directly.
Since #93 introduces external packages, it will get more and more difficult to attach plugins/storage adapters to the PluginManagers, if not retrieved by the projects ContainerInterface.

Imho, each external package should provide their own factories for their plugins/storage adapters and just inject these to the related PluginManager (e.g. by using delegators? Some feedback would be great).

The original idea of @marc-mabe was to use the Module object to add aliases and factories to the PluginManager but as of zend-config-aggregator or in projects without zend-mvc, this wont work anymore.

I would appreciate to get some feedback on this.
@weierophinney

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Originally posted by @boesing at zendframework/zend-cache#175

[weierophinney]

The idea makes sense, but removal is a hard BC break - can you maybe send a PR with deprecations for the classes you are targeting?

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Originally posted by @Ocramius at zendframework/zend-cache#175 (comment)

[boesing]

I'll mark these factories as deprecated in v3 and remove them in v4 as of #49 and #50
In case of #49, there is a new factory which provides new service to create storage adapters in a convenient way.