about: Change app name to Loupe and update devs

- Rename to Loupe to avoid confusion during incubation
  and potentially allow for release on Flathub
- Replace GNOME as developer since it violates software policy
- Put a more useful copyright statement
- Add me as developer

data/gtk/window.ui

@@ -51,7 +51,7 @@
         <attribute name="action">win.show-help-overlay</attribute>
       </item>
       <item>
-        <attribute name="label" translatable="yes">_About Image Viewer</attribute>
+        <attribute name="label" translatable="yes">_About Loupe</attribute>
         <attribute name="action">app.about</attribute>
       </item>
     </section>
@@ -60,7 +60,7 @@
     <property name="default-width">600</property>
     <property name="default-height">498</property>
     <property name="width-request">360</property>
-    <property name="title" translatable="yes">Image Viewer</property>
+    <property name="title" translatable="yes">Loupe</property>
     <binding name="title">
       <closure type="gchararray" function="window_title">
         <lookup type="LpImageView" name="active-file">image_view</lookup>
@@ -144,7 +144,7 @@
                     <property name="vexpand">True</property>
                     <child>
                       <object class="AdwStatusPage" id="status_page">
-                        <property name="title" translatable="yes">Image Viewer</property>
+                        <property name="title" translatable="yes">Loupe</property>
                         <property name="description" translatable="yes">Click “Open File…” or drag an image here.</property>
                         <child>
                           <object class="GtkButton">

data/org.gnome.Loupe.desktop.in.in

@@ -1,5 +1,5 @@
 [Desktop Entry]
-Name=Image Viewer
+Name=Loupe
 Exec=loupe %U
 Icon=@APP_ID@
 DBusActivatable=true
@@ -7,5 +7,5 @@ Terminal=false
 Type=Application
 Categories=GNOME;GTK;Graphics;2DGraphics;RasterGraphics;Viewer;
 MimeType=image/bmp;image/gif;image/jpeg;image/jpg;image/pjpeg;image/png;image/tiff;image/x-bmp;image/x-gray;image/x-icb;image/x-ico;image/x-png;image/x-portable-anymap;image/x-portable-bitmap;image/x-portable-graymap;image/x-portable-pixmap;image/x-xbitmap;image/x-xpixmap;image/x-pcx;image/svg+xml;image/svg+xml-compressed;image/vnd.wap.wbmp;image/x-icns;
-Keywords=Picture;Slideshow;Graphics;Loupe;
+Keywords=Picture;Slideshow;Graphics;Image Viewer;
 StartupNotify=true