jQuery UI: Removing references to specific version numbers

Fixes jquery#519
Closes jquery#520

Author: tjvantoll

page/jquery-ui/getting-started.md

@@ -32,10 +32,7 @@ You can either choose from the various themes we provide, or you can design your
 
 #### Step 3: Choose a Version of jQuery UI
 
-The last step in the Download Builder is to select a version number. This is a very important step because jQuery UI versions are designed to work with specific versions of jQuery. The current versions are:
-
-* jQuery UI 1.10.2 – Requires jQuery 1.6 or later.
-* jQuery UI 1.9.2 – Requires jQuery 1.6 or later.
+The last step in the Download Builder is to select a version number. Make sure to check not only what version of jQuery UI you pick, but also the version of jQuery Core that version supports, as different versions of the library support different versions of jQuery. For more information on what's new in each version of jQuery UI, see the project's [upgrade guides](http://jqueryui.com/upgrade-guide/) and [changelogs](http://jqueryui.com/changelog/).
 
 #### Click Download!