Update to frogr 1.4 and to the GNOME 3.26 runtime

Incidentally, move also to meson as the build system and drop
the appID patch that has now been merged upstream.

Author: Mario Sanchez Prada

fix-appdata-id.patch

@@ -1,7 +1,7 @@
 {
     "app-id": "org.gnome.frogr",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "3.24",
+    "runtime-version": "3.26",
     "sdk": "org.gnome.Sdk",
     "command": "frogr",
     "finish-args": [
@@ -30,16 +30,14 @@
     "modules": [
         {
             "name": "frogr",
+            "buildsystem": "meson",
+            "builddir": true,
             "sources": [
                 {
                     "type": "git",
                     "url": "git://git.gnome.org/frogr",
-                    "branch": "RELEASE_1.3",
-                    "commit": "c91caafa02f94c60e800aa79408bc6fb60b1b026"
-                },
-                {
-                    "type": "patch",
-                    "path": "fix-appdata-id.patch"
+                    "branch": "RELEASE_1.4",
+                    "commit": "e2322c8f99f9d3a3cdc020b79c6c7224ad1988d0"
                 }
             ]
         }