Use fmt.Printf() instead of fmt.Fprintf(os.Stdout, ...)
Code style: unify the use of WriteError
Rename WriteError to Fatalf for clarity
Merge pull request #106 from shykes/style
Add more information to pull request view

This adds if the PR is mergeable.  If it was merged it adds who merged
it, what time, and the merge commit.

[solomon@docker.com: rebased and resolved merge conflicts]
Signed-off-by: Solomon Hykes <solomon@docker.com>
add --assigned & --unassigned

[solomon@docker.com: rebased on master]
Signed-off-by: Solomon Hykes <solomon@docker.com>
remove filters from pulls