Start replacing lazy 'GPL' licenses with actual versions

metadata/com.drodin.tuxrider.txt

@@ -1,6 +1,6 @@
 AntiFeatures:UpstreamNonFree
 Categories:Games
-License:GPL
+License:GPLv2+
 Web Site:http://tuxrider.drodin.com
 Source Code:https://github.com/drodin/TuxRider
 Issue Tracker:https://github.com/drodin/TuxRider/issues

metadata/com.matburt.mobileorg.txt

@@ -1,5 +1,5 @@
 Categories:Office
-License:GPL
+License:GPLv2
 Web Site:https://github.com/matburt/mobileorg-android/wiki
 Source Code:https://github.com/matburt/mobileorg-android
 Issue Tracker:https://github.com/matburt/mobileorg-android/issues

metadata/com.sismics.reader.txt

@@ -1,5 +1,5 @@
 Categories:Reading
-License:GPL
+License:GPLv2
 Web Site:http://www.sismics.com
 Source Code:https://github.com/sismics/reader
 Issue Tracker:https://github.com/sismics/reader/issues

metadata/org.scid.android.txt

@@ -1,5 +1,5 @@
 Categories:Games
-License:GPL
+License:GPLv2
 Web Site:https://code.google.com/p/scidonthego
 Source Code:https://code.google.com/p/scidonthego/source
 Issue Tracker:https://code.google.com/p/scidonthego/issues

metadata/org.wikipedia.txt

@@ -1,5 +1,5 @@
 Categories:Internet
-License:GPL
+License:GPLv2
 Web Site:http://meta.wikimedia.org/wiki/Mobile_Projects
 Source Code:https://github.com/wikimedia/WikipediaMobile
 Issue Tracker:https://bugzilla.wikimedia.org

metadata/org.wordpress.android.txt

@@ -1,6 +1,6 @@
 Categories:Internet
 # much Apache libs; assets/license.html says GPLv2: no headers or COPYING
-License:GPL
+License:GPLv2
 Web Site:http://android.wordpress.org
 Source Code:https://github.com/wordpress-mobile/WordPress-Android
 Issue Tracker:http://android.trac.wordpress.org

metadata/org.yaxim.androidclient.txt

@@ -1,6 +1,5 @@
 Categories:Internet
-#Not compatible with ABS and asmack
-License:GPL
+License:GPLv2
 Web Site:http://yaxim.org
 Source Code:https://github.com/ge0rg/yaxim
 Issue Tracker:https://github.com/pfleidi/yaxim/issues