Merge Alpha & Beta testing

And put a reference to the wiki.
Also updated some links to use AntennaPod rather than danieloeh in them.

README.md

@@ -1,20 +1,17 @@
 # AntennaPod
 
-This is the official repository of AntennaPod, a podcast manager for Android.
+This is the official repository of AntennaPod, the easy-to-use, flexible and open-source podcast manager for Android.
 
 [![Download from Google Play](http://www.android.com/images/brand/android_app_on_play_large.png "Download from Google Play")](https://play.google.com/store/apps/details?id=de.danoeh.antennapod)
-[![AntennaPod on fdroid.org](https://camo.githubusercontent.com/7df0eafa4433fa4919a56f87c3d99cf81b68d01c/68747470733a2f2f662d64726f69642e6f72672f77696b692f696d616765732f632f63342f462d44726f69642d627574746f6e5f617661696c61626c652d6f6e2e706e67 "Download from fdroid.org")](http://f-droid.org/repository/browse/?fdcategory=Multimedia&fdid=de.danoeh.antennapod&fdpage=1)
+[![AntennaPod on fdroid.org](https://camo.githubusercontent.com/7df0eafa4433fa4919a56f87c3d99cf81b68d01c/68747470733a2f2f662d64726f69642e6f72672f77696b692f696d616765732f632f63342f462d44726f69642d627574746f6e5f617661696c61626c652d6f6e2e706e67 "Download from fdroid.org")](https://f-droid.org/repository/browse/?fdid=de.danoeh.antennapod)
 
 ## Feedback
 You can use the [AntennaPod Google Group](https://groups.google.com/forum/#!forum/antennapod) for discussions about the app.
 
-Bug reports and feature requests can be submitted [here](https://github.com/danieloeh/AntennaPod/issues/new) (please read the [instructions](https://github.com/danieloeh/AntennaPod/blob/master/CONTRIBUTING.md) on how to report a bug and how to submit a feature request first!).
+Bug reports and feature requests can be submitted [here](https://github.com/AntennaPod/AntennaPod/issues) (please read the [instructions](https://github.com/AntennaPod/AntennaPod/blob/master/CONTRIBUTING.md) on how to report a bug and how to submit a feature request first!).
 
-## Beta Testing
-You can participate in beta testing by joining the Google Plus [AntennaPod Beta](https://plus.google.com/communities/105484485757508984859) community and then going to [this url](https://play.google.com/apps/testing/de.danoeh.antennapod)
-
-## Alpha Testing
-You can participate in alpha testing by joining the Google Plus [AntennaPod Alpha](https://plus.google.com/communities/117446128636140585144) community and then going to [this url](https://play.google.com/apps/testing/de.danoeh.antennapod)
+## Help test AntennaPod
+AntennaPod has many users and we don't want them to run into trouble when we add a new feature. It's important that we have a significant group test our app, so that we know all possible combinations of phones, Android versions and use cases work as expected. Check out our wiki how to join our [Alpha and Beta testing programmes](https://github.com/AntennaPod/AntennaPod/wiki/Help-test-AntennaPod)!
 
 ## Nightly Builds
 
@@ -27,7 +24,7 @@ Click [here](https://www.dropbox.com/sh/4h2kfa2d2jesnu8/AABF7u5QsOn8Lg8MDie4Z4Am
 AntennaPod is licensed under the MIT License. You can find the license text in the LICENSE file.
 
 ## Translating AntennaPod
-If you want to translate AntennaPod into another language, you can visit the [Transifex project page](https://www.transifex.com/projects/p/antennapod/).
+If you want to translate AntennaPod into another language, you can visit the [Transifex project page](https://www.transifex.com/antennapod/antennapod/).
 
 
 ## Building AntennaPod