Auto merge of #161 - servo:delegate, r=larsbergstrom
Auto merge of #161 - servo:delegate, r=larsbergstrom

Enable delegation

Already running on the infra.

https://github.com/servo/saltfs/pull/160 is an example of it working.

r? @larsbergstrom

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setupminimal/saltfs,UK992/saltfs,rwaweber/saltfs,setupminimal/saltfs,UK992/saltfs,rwaweber/saltfs,UK992/saltfs,setupminimal/saltfs,ALikhachev/saltfs,ALikhachev/saltfs,rwaweber/saltfs,ALikhachev/saltfs,servo/saltfs,servo/saltfs