Improve readme readability by exporting links

Replaced the urls with links to in order to make it less less verbose.

README.mdown

@@ -10,18 +10,18 @@ Learn more about about the provided samples, documentation, integrating the SDK
 
 TRY IT OUT
 ----------
-1. Check-out the tutorials available online at https://developers.facebook.com/docs/android/getting-started
-2. Start coding! Visit https://developers.facebook.com/docs/android/ for tutorials and reference documentation.
+1. Check-out the [tutorials available online](https://developers.facebook.com/docs/android/getting-started)
+2. Start coding! Visit the [docs page](https://developers.facebook.com/docs/android/) for tutorials and reference documentation.
 
 FEATURES
 --------
-* Login     - https://developers.facebook.com/docs/facebook-login
-* Sharing   - https://developers.facebook.com/docs/sharing
-* Places    - https://developers.facebook.com/docs/places
-* Messenger - https://developers.facebook.com/docs/messenger-expressions
-* App Links - https://developers.facebook.com/docs/applinks
-* Analytics - https://developers.facebook.com/docs/analytics
-* Graph API - https://developers.facebook.com/docs/android/graph
+* [Login](https://developers.facebook.com/docs/facebook-login)
+* [Sharing](https://developers.facebook.com/docs/sharing)
+* [Places](https://developers.facebook.com/docs/places)
+* [Messenger](https://developers.facebook.com/docs/messenger-expressions)
+* [App Links](https://developers.facebook.com/docs/applinks)
+* [Analytics](https://developers.facebook.com/docs/analytics)
+* [Graph API](https://developers.facebook.com/docs/android/graph)
 
 STRUCTURE
 ---------
@@ -101,7 +101,7 @@ GIVE FEEDBACK
 -------------
 Please report bugs or issues to https://developers.facebook.com/bugs/
 
-You can also join the Facebook Developers Group on Facebook (https://www.facebook.com/groups/fbdevelopers/) or ask questions on Stack Overflow (http://facebook.stackoverflow.com)
+You can also join the [Facebook Developers Group on Facebook](https://www.facebook.com/groups/fbdevelopers/) or ask questions on [StackOverflow](http://facebook.stackoverflow.com)
 
 CONTRIBUTING
 -------------
@@ -111,19 +111,19 @@ We are able to accept contributions to the Facebook SDK for Android. To contribu
 
 LICENSE
 -------
-Except as otherwise noted, the Facebook SDK for Android is licensed under the Facebook Platform License (https://github.com/facebook/facebook-android-sdk/blob/master/LICENSE.txt).
+Except as otherwise noted, the Facebook SDK for Android is licensed under the [Facebook Platform License](https://github.com/facebook/facebook-android-sdk/blob/master/LICENSE.txt).
 
 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.
 
 DEVELOPER TERMS
 ---------------
 
-- By enabling Facebook integrations, including through this SDK, you can share information with Facebook, including information about people’s use of your app. Facebook will use information received in accordance with our Data Use Policy (https://www.facebook.com/about/privacy/), including to provide you with insights about the effectiveness of your ads and the use of your app.  These integrations also enable us and our partners to serve ads on and off Facebook.
+- By enabling Facebook integrations, including through this SDK, you can share information with Facebook, including information about people’s use of your app. Facebook will use information received in accordance with our [Data Use Policy](https://www.facebook.com/about/privacy/), including to provide you with insights about the effectiveness of your ads and the use of your app.  These integrations also enable us and our partners to serve ads on and off Facebook.
 
 - You may limit your sharing of information with us by updating the Insights control in the developer tool (https://developers.facebook.com/apps/[app_id]/settings/advanced).
 
 - If you use a Facebook integration, including to share information with us, you agree and confirm that you have provided appropriate and sufficiently prominent notice to and obtained the appropriate consent from your users regarding such collection, use, and disclosure (including, at a minimum, through your privacy policy). You further agree that you will not share information with us about children under the age of 13.
 
-- You agree to comply with all applicable laws and regulations and also agree to our Terms (https://www.facebook.com/policies/), including our Platform Policies (https://developers.facebook.com/policy/) and Advertising Guidelines, as applicable (https://www.facebook.com/ad_guidelines.php).
+- You agree to comply with all applicable laws and regulations and also agree to our [Terms](https://www.facebook.com/policies/), including our [Platform Policies](https://developers.facebook.com/policy/) and [Advertising Guidelines](https://www.facebook.com/ad_guidelines.php), as applicable.
 
 By using the Facebook SDK for Android you agree to these terms.