Envfile in newrelic_rpm-3.12.0.288

- old
+ new

@@ -1,10 +1,17 @@
-if defined?(RUBY_ENGINE) && RUBY_ENGINE == "rbx"
-  # Excon 0.10.0 doesn't seem to work on Rubinius 2.2.10
-  excon_versions = %w(0.25.0 0.24.0 0.19.0 0.18.0)
+if RUBY_VERSION >= '2.2.0'
+  excon_versions = %w(0.45.3)
 else
-  excon_versions = %w(0.25.0 0.24.0 0.19.0 0.18.0 0.10.0)
+  excon_versions = %w(0.45.3
+                      0.25.0
+                      0.24.0
+                      0.19.0
+                      0.18.0
+                      0.10.0)
 end
+
+# Excon 0.10.0 doesn't seem to work on Rubinius 2.2.10
+excon_versions.delete("0.10.0") if defined?(RUBY_ENGINE) && RUBY_ENGINE == "rbx"
 
 excon_versions.each do |excon_version|
   gemfile <<-RB
     gem 'excon', '~> #{excon_version}'
     gem 'rack'