update source code url

content/guides/3.0/formats/upload.md

@@ -8,7 +8,7 @@ layout: guides-3.0
 File upload support is included within Scalatra by default by leveraging
 the Servlet 3.0 API's built-in support for `multipart/form-data` requests.
 For a working example, see
-[FileUploadExample.scala](https://github.com/scalatra/scalatra/blob/develop/example/src/main/scala/org/scalatra/FileUploadExample.scala).
+[FileUploadExample.scala](https://github.com/scalatra/scalatra-website-examples/blob/master/3.0/http/scalatra-http-demo/src/main/scala/org/scalatra/example/FileUploadExample.scala).
 
 To enable file upload support, extend your application with `FileUploadSupport`
 and set the upload configuration with a call to `configureMultipartHandling`:

content/guides/3.0/http/actions.md

@@ -72,4 +72,4 @@ all of them and find out what response codes they produce, the easiest way is
 to look at the [ActionResult source code][actionresult-source].
 
 
-[actionresult-source]:https://github.com/scalatra/scalatra/blob/develop/core/src/main/scala/org/scalatra/ActionResult.scala
+[actionresult-source]:https://github.com/scalatra/scalatra/blob/v3.0.0/core/src/main/scala/org/scalatra/ActionResult.scala

content/guides/3.0/http/authentication.md

@@ -41,9 +41,9 @@ Alternately, you can register a strategy using init params in
 `context.setInitParameter("scentry.strategies", "UserPasswordStrategy")`
 
 To write a Scentry Strategy, you'll need to implement the methods in
-[ScentryStrategy](https://github.com/scalatra/scalatra/blob/develop/auth/src/main/scala/org/scalatra/auth/ScentryStrategy.scala).
+[ScentryStrategy](https://github.com/scalatra/scalatra/blob/v3.0.0/auth/src/main/scala/org/scalatra/auth/ScentryStrategy.scala).
 
-See Scalatra's built-in [BasicAuthStrategy](https://github.com/scalatra/scalatra/blob/develop/auth/src/main/scala/org/scalatra/auth/strategy/BasicAuthStrategy.scala)
+See Scalatra's built-in [BasicAuthStrategy](https://github.com/scalatra/scalatra/blob/v3.0.0/auth/src/main/scala/org/scalatra/auth/strategy/BasicAuthStrategy.scala)
 for an example.
 
 ## Dependency

content/guides/3.0/modules.md

@@ -119,4 +119,4 @@ helpers, you can just [browse the Scalatra core source][scalatracore] on
 GitHub. Scalatra source code is meant to be simple and readable; don't be scared
 to take a look at it if you need to understand how something works.
 
-[scalatracore]: https://github.com/scalatra/scalatra/tree/develop/core/src/main/scala/org/scalatra
+[scalatracore]: https://github.com/scalatra/scalatra/tree/v3.0.0/core/src/main/scala/org/scalatra