added Twitter SSL support

src/main/java/org/scribe/builder/api/TwitterApi.java

@@ -5,22 +5,39 @@ import org.scribe.model.Token;
 public class TwitterApi extends DefaultApi10a
 {
   private static final String AUTHORIZE_URL = "https://api.twitter.com/oauth/authorize?oauth_token=%s";
+  private static final String REQUEST_TOKEN_RESOURCE = "api.twitter.com/oauth/request_token";
+  private static final String ACCESS_TOKEN_RESOURCE = "api.twitter.com/oauth/access_token";
   
   @Override
   public String getAccessTokenEndpoint()
   {
-    return "http://api.twitter.com/oauth/access_token";
+    return "http://" + ACCESS_TOKEN_RESOURCE;
   }
 
   @Override
   public String getRequestTokenEndpoint()
   {
-    return "http://api.twitter.com/oauth/request_token";
+    return "http://" + REQUEST_TOKEN_RESOURCE;
   }
-  
+
   @Override
   public String getAuthorizationUrl(Token requestToken)
   {
     return String.format(AUTHORIZE_URL, requestToken.getToken());
   }
+
+  public static class SSL extends TwitterApi
+  {
+    @Override
+    public String getAccessTokenEndpoint()
+    {
+      return "https://" + ACCESS_TOKEN_RESOURCE;
+    }
+
+    @Override
+    public String getRequestTokenEndpoint()
+    {
+      return "https://" + REQUEST_TOKEN_RESOURCE;
+    }
+  }
 }