[gnome-sdk-images/gnome-3-22] Update to latest stable webkit and add MiniBrowser to sdk

[Alexander Larsson <alexl src gnome org>]

commit 7da866a58b1e889f736a9e05921bc0cf75d213ab
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Feb 21 11:21:26 2017 +0100

    Update to latest stable webkit and add MiniBrowser to sdk
    
    https://github.com/flatpak/flatpak/issues/582
    https://github.com/flatpak/flatpak/issues/581

 org.gnome.Sdk.json.in |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index b4c85bf..5105880 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -714,6 +714,7 @@
         },
         {
             "name": "webkitgtk4",
+            "cleanup-platform": [ "/libexec/webkit2gtk-4.0/MiniBrowser" ],
             "cmake": true,
             "build-options" : {
                 "cflags": "-O2 -g1",
@@ -746,13 +747,14 @@
                "-DBUILD_SHARED_LIBS:BOOL=ON",
                "-DENABLE_GTKDOC=OFF",
                "-DENABLE_VIDEO=ON",
-               "-DENABLE_WEB_AUDIO=ON"
+               "-DENABLE_WEB_AUDIO=ON",
+                "-DENABLE_MINIBROWSER=ON"
            ],
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://www.webkitgtk.org/releases/webkitgtk-2.14.2.tar.xz";,
-                    "sha256": "2edbcbd5105046aea55af9671c4de8deedb5b0e3567c618034d440a760675556"
+                    "url": "https://www.webkitgtk.org/releases/webkitgtk-2.14.5.tar.xz";,
+                    "sha256": "3ca8f1c33a9b43d6c753dcac1c0788656930e06382b10fdf5c2805ea8f96369f"
                 },
                 {
                     "type": "patch",