build(rubygems): Allow pushing to rubygems.org

Author: maxnussbaum

ibm_watson.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |spec|
   # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
   # to allow pushing to a single host or delete this section to allow pushing to any host.
   if spec.respond_to?(:metadata)
-    spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
+    spec.metadata["allowed_push_host"] = "https://rubygems.org"
     spec.metadata["source_code_uri"] = "https://github.com/watson-developer-cloud/ruby-sdk"
     spec.metadata["documentation_uri"] = "https://console.bluemix.net/developer/watson/documentation"
   else