v1.11.2

Several improvements.

This is not well tested with gh-jira yet (and plugins have yet to be released), but should be tested an released by tomorrow. Also will be releasing new updates for gh-travis, gh-gif, and gh-boilerplate.

• 0d402eb Adding test coverage.
• Fix pull request methods (list, submit).
• b837a9d Creating private repos with gh repo --new <name> --type private nos possible. Before only worked with --private.
• Moving .gh.json on the plugins to gh-plugin.json to avoid conflict with project .gh.json.
• dd3e78b, 2882c73 Removing logger.info, logger.success. Using logger.log instead.
• Fixed most hooks issues. Child processes created by the hook engine now outputting to stderr/stdout directly.
• Improved error reporting mechanism and messages.
• c59b3bd Adding options support to exec methods.
• 154b3be, eea034a, 608512f, 68b4a1b, c9a439c Removing the logger.defaultCallback method.
• e30e697, ca4cc93 Adding --verbose mode and logger.debug functionality.
• Adding gh -v shortcut to gh --version. #365
• 0d402eb Moved to gulp from grunt.
• Simplifying some output to make gh more UNIX-like.
• Less callback hell. Removed many overkill async.series usages (in preparation for promises).
• 626990b Adding support for gh is --browser.