Bump Octokit

Refs #111. Octokit no longer raises on missing resource field.
bump to 2.0.1
Revert "Bump Octokit"

This reverts commit 6bf694a0cf000d66206509be2b3ee791f5b2bf6f.
roll back the octokit dependency while @pengwynn fixes it
Merge branch 'master' of https://github.com/boxen/boxen
Bump Octokit to 2.3.0

Fixes #111. Octokit >= 2.2 does not blow up when accessing missing resource
attributes. Octokit >= 2.3 is Ruby 1.8.7 compatible.
Merge pull request #116 from boxen/fix-null-email-issue

Fix null email issue
v2.0.3
Rescue from OneTimePasswordRequired expection

octokit.rb now raises a specific exception when the two-factor auth is
enabled
Merge pull request #118 from boxen/fix-boxen-with-octokit-2-3

Rescue from OneTimePasswordRequired expection
v2.0.4