Fix licenses

These metadata files listed the assets' license, not the license that
applies for the application itself.

metadata/com.powerje.nyan.yml

@@ -2,7 +2,7 @@ AntiFeatures:
   - NonFreeAssets
 Categories:
   - Theming
-License: CC-BY-NC-3.0
+License: Apache-2.0
 SourceCode: https://github.com/powerje/NyanDroid
 IssueTracker: https://github.com/powerje/NyanDroid/issues
 

metadata/com.rj.pixelesque.yml

@@ -2,7 +2,7 @@ AntiFeatures:
   - NonFreeAssets
 Categories:
   - Graphics
-License: CC-BY-NC-3.0
+License: BSD-3-Clause
 SourceCode: https://github.com/rjmarsan/Pixelesque
 IssueTracker: https://github.com/rjmarsan/Pixelesque/issues
 

metadata/org.dyndns.warenix.web2pdf.yml

@@ -2,7 +2,7 @@ AntiFeatures:
   - NonFreeNet
 Categories:
   - Multimedia
-License: AML
+License: MIT
 SourceCode: https://github.com/warenix/Web2PDF
 IssueTracker: https://github.com/warenix/Web2PDF/issues
 

metadata/org.gfd.gsmlocation.yml

@@ -1,6 +1,6 @@
 Categories:
   - Navigation
-License: CC-BY-SA-3.0
+License: Apache-2.0
 SourceCode: https://github.com/rtreffer/LocalGSMLocationProvider
 IssueTracker: https://github.com/rtreffer/LocalGSMLocationProvider/issues