Switch the default mirror from GitHub Downloads to Amazon CloudFront

CHANGELOG.md

 ## Version History
 
+#### HEAD
+* Moved the default ruby-build mirror from GitHub Downloads to Amazon
+  CloudFront.
+* Added a definition for Ruby 1.8.7-p371
+
 #### 20121204
 * Added a definition for JRuby 1.7.1
 

README.md

@@ -148,9 +148,10 @@ each definition. (All bundled definitions include checksums.)
 ### Package download mirrors
 
 ruby-build will first attempt to download package files from a mirror
-hosted on Amazon S3. If a package is not available on the mirror, if
-the mirror is down, or if the download is corrupt, ruby-build will
-fall back to the official URL specified in the defintion file.
+hosted on Amazon CloudFront. If a package is not available on the
+mirror, if the mirror is down, or if the download is corrupt,
+ruby-build will fall back to the official URL specified in the
+defintion file.
 
 You can point ruby-build to another mirror by specifying the
 `RUBY_BUILD_MIRROR_URL` environment variable--useful if you'd like to
@@ -163,6 +164,9 @@ download mirror and use official URLs instead. You can force
 ruby-build to bypass the mirror by setting the
 `RUBY_BUILD_SKIP_MIRROR` environment variable.
 
+The official ruby-build download mirror is sponsored by
+[37signals](http://37signals.com/).
+
 ### Package download caching
 
 You can instruct ruby-build to keep a local cache of downloaded

bin/ruby-build

@@ -583,7 +583,7 @@ else
 fi
 
 if [ -z "$RUBY_BUILD_MIRROR_URL" ]; then
-  RUBY_BUILD_MIRROR_URL="http://cloud.github.com/downloads/sstephenson/ruby-build-download-mirror"
+  RUBY_BUILD_MIRROR_URL="http://dqw8nmjcqpjn7.cloudfront.net"
 else
   RUBY_BUILD_MIRROR_URL="${RUBY_BUILD_MIRROR_URL%/}"
 fi