updated level 2 instructions & removed ProgressBar requirement

Author: pocha

twitter-http-challenge/_fetching_tweets_with_http_get.html.md

@@ -96,11 +96,9 @@ Edgar
 
 ###Tasks
 
-1. Improve the login process by showing a **RelativeLayout** containing a **ProgressBar** while the login HTTP call is in progress. The RelativeLayout should be added **after Login button** in the same activity, should span height & width of screen & should have a child element ProgressBar. The ProgressBar should show up when the Login data is being sent to the server & should be hidden when the login process completes.
+1. Modify TweetListActivity to make an HTTP GET call when the Activity is created to fetch tweets. Handle the received Tweet objects and render them in the ListView. **Assume that the url always return the new tweets & you should append the tweets to the items in the List**.
 
-2. Modify TweetListActivity to make an HTTP GET call when the Activity is created to fetch tweets. Handle the received Tweet objects and render them in the ListView. **Assume that the url always return the new tweets & you should append the tweets to the items in the List**.
-
-3. Add a refresh menu item which upon click should make an HTTP GET call to get new array of tweets and append the new data to list. The refresh should simply call the */tweets* url & append the tweets to the list.
+2. Add a refresh menu item which upon click should make an HTTP GET call to get new array of tweets and append the new data to list. The refresh should simply call the */tweets* url & append the tweets to the list.
 
 ###Restrictions
 * You must only use **AndroidHttpClient** or **DefaultHttpClient** to do network calls as they can only be mocked & tested with Robolectric. Any other library is not supported.