Rename icon to match app ID

In preparation for xdg-app.

https://bugzilla.gnome.org/show_bug.cgi?id=761375

data/icons/Makefile.am

@@ -5,19 +5,19 @@ public_icons_themes = \
 	$(NULL)
 
 public_icons = \
-	hicolor_apps_16x16_gnome-calendar.png \
-	hicolor_apps_22x22_gnome-calendar.png \
-	hicolor_apps_24x24_gnome-calendar.png \
-	hicolor_apps_32x32_gnome-calendar.png \
-	hicolor_apps_48x48_gnome-calendar.png \
-	hicolor_apps_256x256_gnome-calendar.png \
-	hicolor_apps_512x512_gnome-calendar.png \
-  hicolor_apps_symbolic_gnome-calendar-symbolic.svg \
+	hicolor_apps_16x16_org.gnome.Calendar.png \
+	hicolor_apps_22x22_org.gnome.Calendar.png \
+	hicolor_apps_24x24_org.gnome.Calendar.png \
+	hicolor_apps_32x32_org.gnome.Calendar.png \
+	hicolor_apps_48x48_org.gnome.Calendar.png \
+	hicolor_apps_256x256_org.gnome.Calendar.png \
+	hicolor_apps_512x512_org.gnome.Calendar.png \
+  hicolor_apps_symbolic_org.gnome.Calendar-symbolic.svg \
 	$(NULL)
 
 noinst_DATA = \
-	gnome-calendar.svg \
-	gnome-calendar.blend \
+	org.gnome.Calendar.svg \
+	org.gnome.Calendar.blend \
 	$(NULL)
 
 EXTRA_DIST = \

data/org.gnome.Calendar.desktop.in.in

@@ -2,7 +2,7 @@
 _Name=Calendar
 _Comment=Access, and manage calendar
 Exec=gnome-calendar
-Icon=gnome-calendar
+Icon=org.gnome.Calendar
 Terminal=false
 Type=Application
 StartupNotify=true

src/gcal-application.c

@@ -512,7 +512,7 @@ gcal_application_show_about (GSimpleAction *simple,
                          "license-type", GTK_LICENSE_GPL_3_0,
                          "authors", authors,
                          "artists", artists,
-                         "logo-icon-name", "gnome-calendar",
+                         "logo-icon-name", "org.gnome.Calendar",
                          "translator-credits", _("translator-credits"),
                          NULL);
   g_free (copyright);