Update to upstream libgit2
Tiny typo
Merge pull request #242 from Uncommon/typos

Tiny typo
Add OpenSSL-iOS target that builds OpenSSL for iOS
Use the correct argument for the format string
Allow nil descriptions and failure reasons
Test NSError+Git formatted strings
Merge pull request #243 from libgit2/fix-error-format-string

Use the correct argument as the format string
Add the no-gost option to openssl build configuration
++libgit2 to latest development
Update GTObjectDatabase for libgit2 changes
++libgit2 to is-empty-fix to fix unit test failures
Merge pull request #240 from isaac/ios-openssl

Compiling libgit2 with OpenSSL support
Add -all_load linker flag when including in iOS projects
Clean up installation steps' formatting
Merge pull request #245
++libgit2
Merge pull request #244 from libgit2/update-libgit2

Update libgit2 to latest development
Add an OID property to GTDiffFile.
Minor cleanup