Rename metainfo and desktop files

data/meson.build

+install_data('org.pwmt.zathura-pdf-poppler.metainfo.xml', install_dir: metainfodir)
+install_data('org.pwmt.zathura-pdf-poppler.desktop', install_dir: desktopdir)

data/org.pwmt.zathura-pdf-poppler.desktop

+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=Zathura
+Comment=A minimalistic document viewer
+Exec=zathura %U
+Terminal=false
+NoDisplay=true
+Categories=Office;Viewer;
+MimeType=application/pdf;

zathura-pdf-poppler.metainfo.xml → data/org.pwmt.zathura-pdf-poppler.metainfo.xml

 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Copyright 2015 pwmt.org -->
-
+<!-- Copyright 2015-2018 pwmt.org -->
 <component type="addon">
-  <id>zathura-pdf-poppler.desktop</id>
+  <id>org.pwmt.zathura-pdf-poppler</id>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>Zlib</project_license>
-  <extends>zathura.desktop</extends>
+  <extends>org.pwmt.zathura</extends>
   <name>PDF plugin for Zathura</name>
   <summary>PDF plugin based on Poppler</summary>
   <url type="homepage">https://pwmt.org/projects/zathura-pdf-poppler/</url>

meson.build

@@ -61,5 +61,4 @@ pdf = shared_module('pdf',
   install_dir: zathura.get_pkgconfig_variable('plugindir')
 )
 
-install_data('zathura-pdf-poppler.metainfo.xml', install_dir: metainfodir)
-install_data('zathura-pdf-poppler.desktop', install_dir: desktopdir)
+subdir('data')

zathura-pdf-poppler.desktop

-[Desktop Entry]
-Version=1.0
-Type=Application
-Name=Zathura
-Comment=A minimalistic document viewer
-Comment[ca]=Un visualitzador de documents minimalista
-Comment[de]=Ein minimalistischer Dokumenten-Betrachter
-Comment[el]=Ένας ελαφρύς προβολέας κειμένων
-Comment[eo]=Malpeza dokumento spektanto
-Comment[es_CL]=Un visor de documentos minimalista
-Comment[fr]=Un visionneur de document minimaliste
-Comment[he]=מציג מסמכים מינימליסטי
-Comment[id_ID]=Pembaca dokumen minimalis
-Comment[it]=Un visualizzatore di documenti minimalista
-Comment[pl]=Minimalistyczna przeglądarka dokumentów
-Comment[pt_BR]=Um visualizador de documentos minimalista
-Comment[ru]=Минималистичный просмотрщик документов
-Comment[tr]=Minimalist bir belge görüntüleyicisi
-Comment[uk_UA]=Легкий переглядач документів
-Exec=zathura %U
-Terminal=false
-NoDisplay=true
-Categories=Office;Viewer;
-MimeType=application/pdf;