Pimple3

This makes Cilex more inline with Silex 2.0 and uses pimple 3. there is an issue with silex/api as have not yet been updated with the pimple 3.0 requirement.

I removed a bunch of providers as they can now be used from silex/providers. Also i moved the ConsoleServiceProvider into Cilex directly, mostly because its a hard requirement. If we want a seperate package for it, we can use a subsplit on src/Cilex/Provider as the silex/providers package does.
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