setdiscovery: batch heads and known(ownheads)
This means that we now discover both subset conditions (local<remote and
remote<local) in a single roundtrip without ever constructing an actual
sample (which takes a bit of client CPU).
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979c049974485125e1f9357f6bbe9c1b548a64c3 0.7
3a56574f329a368d645853e0f9e09472aee62349 0.8
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35fb62a3a673d5322f6274a44ba6456e5e4b3b37 0.9
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36a957364b1b89c150f2d0e60a99befe0ee08bd3 0.9.2
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11efa41037e280d08cfb07c09ad485df30fb0ea8 1.2
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196d40e7c885fa6e95f89134809b3ec7bdbca34b 1.3
3ef6c14a1e8e83a31226f5881b7fe6095bbfa6f6 1.3.1
31ec469f9b556f11819937cf68ee53f2be927ebf 1.4
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296a0b14a68621f6990c54fdba0083f6f20935bf 1.4.2
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f786fc4b8764cd2a5526d259cf2f94d8a66924d9 1.6
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333421b9e0f96c7bc788e5667c146a58a9440a55 1.7
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6aff4f144ad356311318b0011df0bb21f2c97429 1.7.2
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a6c855c32ea081da3c3b8ff628f1847ff271482f 1.7.4
2b2155623ee2559caf288fd333f30475966c4525 1.7.5
2616325766e3504c8ae7c84bd15ee610901fe91d 1.8
aa1f3be38ab127280761889d2dca906ca465b5f4 1.8.1
b032bec2c0a651ca0ddecb65714bfe6770f67d70 1.8.2
3cb1e95676ad089596bd81d0937cad37d6e3b7fb 1.8.3
733af5d9f6b22387913e1d11350fb8cb7c1487dd 1.8.4