Add several new needles for changed GNOME app icons

Utilities came up different *again* in a Rawhide test today, so
this adds a needle which matches on the text. Usually we prefer
image matches to text, but this image seems to keep changing...

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/gnome/apps/apps_menu_chars-20190320.json

@@ -0,0 +1,15 @@
+{
+    "area": [
+        {
+            "height": 20,
+            "type": "match",
+            "width": 17,
+            "xpos": 626,
+            "ypos": 153
+        }
+    ],
+    "properties": [],
+    "tags": [
+        "apps_menu_chars"
+    ]
+}

needles/gnome/apps/apps_menu_fonts-20190320.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "xpos": 490,
+      "ypos": 291,
+      "width": 48,
+      "type": "match",
+      "height": 50
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "apps_menu_fonts"
+  ]
+}

needles/gnome/apps/apps_menu_screenshot-20190320.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "height": 35,
+      "type": "match",
+      "ypos": 443,
+      "width": 40,
+      "xpos": 490
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "apps_menu_screenshot"
+  ]
+}

needles/gnome/apps/apps_menu_utilities-20190320.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "type": "match",
+      "height": 16,
+      "xpos": 624,
+      "width": 53,
+      "ypos": 646
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "apps_menu_utilities"
+  ]
+}