Add support for Bower package by cleaning up dist/.

Distributables should now be available in each tagged release.

Resolves aws#237

Author: lsegal

.gitignore

@@ -5,6 +5,6 @@ coverage.html
 vendor
 .yardoc
 doc
-dist/appinfo.js
-dist/aws-sdk*.js
 test/browser/build
+test/browser/sample/appinfo.js
+dist/aws-sdk-all.js

bower.json

@@ -0,0 +1,8 @@
+{
+  "name": "aws-sdk",
+  "ignore": [
+    "doc-src", "features", "lib", "scripts", "tasks", "test",
+    "Gemfile*", "configuration*", "Rakefile", "*.json", ".*"
+  ],
+  "main": "dist/aws-sdk.js"
+}