Updates (#20)

* Remove duplicates

* Updates

Author: biow0lf

errbit_github_plugin.gemspec

@@ -16,6 +16,8 @@ Gem::Specification.new do |spec|
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
+  spec.metadata["bug_tracker_uri"] = "#{spec.homepage}/issues"
+  spec.metadata["rubygems_mfa_required"] = "true"
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.