auto merge of #465 : alexcrichton/cargo/update-git2, r=wycats
authorbors <bors@rust-lang.org>
Thu, 28 Aug 2014 18:28:57 +0000 (18:28 +0000)
committerbors <bors@rust-lang.org>
Thu, 28 Aug 2014 18:28:57 +0000 (18:28 +0000)
commite9922386d31e0976c41498710bb6b3bb46716d4a
treed22ecc1f13b4aa541fb28b758662040a7ea9935c
parent870c0f932a6952d3aa9b090ba87ad73d61297977
parent20e37c6a8163837f2b184fbdefee3c902efe0fdd
auto merge of #465 : alexcrichton/cargo/update-git2, r=wycats

It turned out most of the methods in libgit2 don't actually require a Signature
structure, they're all mostly optional. This commit updates to this version of
libgit2 where the arguments are all optional.

Closes #463