Remote Refinements
Remote Refinements

- Fixed credentialsCallback return value for missing callback
- Added Remote Rename
- Added Remote Disconnect

clns/git2go,libgit2/git2go,ezwiebel/git2go,libgit2/git2go,ezwiebel/git2go,pks-t/git2go,ezwiebel/git2go,clns/git2go,libgit2/git2go,pks-t/git2go,clns/git2go