I didn't removed anything (on purpose), I assume git within ZendStudio changed something up.

> On Oct 21, 2013, at 1:51 PM, Marco Pivetta <notifications@github.com> wrote:
> 
> In vendor/ZF2:
> 
> > @@ -1 +0,0 @@
> > -Subproject commit 6022f490695b1c835070d9e5a81b45dc20b4a51c
> Why did you remove the submodule?
> 
> —
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