Fix badge URL
Fix usage of Fatal instead of Fatalf.

Caught by `go tool vet -composites=false ./`.
Update upstream API change LoadRemote to LookupRemote.

See libgit2/git2go@1d759e3697#diff-8e6330727d1d48f71afe77830d9f9adeL321.
Merge pull request #26 from sourcegraph/fix/upstream-LoadRemote-api-change

Update upstream API change LoadRemote to LookupRemote.
disable connection sharing (fixes https://github.com/sourcegraph/go-vcs/issues/27)
BlameFile for git native and git cmd
hg cmd BlameFile
include StartByte/EndByte fields in blame Hunks
add Blame mock
standardize and document error returns
use sourcegraph.com/sourcegraph/go-vcs/... import path