Provide same table format for issues as in pull-requests

[mdelapenya]

gh pr displays a table and gh is displays a list.

As a user, I'd like to see same info about issues than in pulls, including issue status.

[protoEvangelion]

This will involve adding table format used in the src/pull-request.ts file in the src/issue.ts file.

gh/src/cmds/pull-request.ts

Line 459 in f556b87

PullRequest.prototype.printPullsInfoTable_ = function(pulls) {