Update bower.json version key to 0.5.0 and update README.md to indicate dependency on Polymer 0.5.5

Author: robbear

README.md

@@ -1,4 +1,8 @@
+Note: This release of this particular component requires an **older version of Polymer (v0.5.5)**.
+
+-----
+
 The organization of these web component files is tuned for the component's
 inclusion in other projects via [Bower](http://bower.io). If you'd like to run
 this component's demo on your own machine, please see these
-[instructions](https://github.com/basic-web-components/components-dev/wiki/Running-Basic-Web-Component-demos).
+[instructions](https://github.com/basic-web-components/components-dev/wiki/Running-Basic-Web-Component-demos).

bower.json

@@ -1,16 +1,16 @@
 {
   "name": "basic-carousel",
   "description": "Lets user navigate previous/next through a sequence of child elements",
-  "version": "0.0.1",
+  "version": "0.5.0",
   "license": "MIT",
   "main": "basic-carousel.html",
   "dependencies": {
-    "basic-sequence": "basic-web-components/basic-sequence#master",
-    "core-icons": "Polymer/core-icons#master",
-    "polymer": "Polymer/polymer#master"
+    "basic-sequence": "basic-web-components/basic-sequence#^0.5.0",
+    "core-icons": "Polymer/core-icons#^0.5.5",
+    "polymer": "Polymer/polymer#^0.5.5"
   },
   "devDependencies": {
-    "basic-framed-content": "basic-web-components/basic-framed-content#master"
+    "basic-framed-content": "basic-web-components/basic-framed-content#^0.5.0"
   },
   "keywords": [
     "basic-web-components",