qt5webkit: bump version.
Fixes #38.

qt5webkit changes:

1570f7a Fix build when NSD is enabled.
0a122e3 GraphicsSurface support added to the canvas implementation.
        Enable canvas acceleration by default if supported.
101adcc Added GraphicsSurface implementation for EGL
Merge pull request #40 from magomez/bump

qt5webkit: bump version.
Bump the webkitgtk commit tag.
Merge pull request #41 from zdobersek/webkitgtk

Bump the webkitgtk commit tag.
gdb 7.7
qt5webkit: one build directory per build type

Useful when switching between release and debug withou losing too much
time in compilation.
qt5webkit bump

19b20a6 [JSC] DFG 32_64: Use the edge's useKind instead of relying on child node prediction.

Solves #30.
Merge pull request #42 from guijemont/bug30

qt5webkit bump
gst1-omx: properly set orientation flag

This patch disabling orientation flag setting is no longer needed, the
WebKit media player handles it correctly.
gst1-omx: bump to current master

Also make it depend on gst-plugins-bad which currently ships libgstgl.
qt5base: new option to use system Harfbuzz

It seems the Harfbuzz-ng internal qtbase backend is not very mature
just yet. It triggers webprocess crashes in Youtube.com/tv at least.
qt5webkit: fix-up GStreamer build dependencies

Make sure the needed GStreamer libraries are built before QtWebKit if
video support is enabled.
qt5webkit: bump for WebKit2 video support

15d0860 Recreate GraphicsSurface when video size changes.
efee50a [GStreamer] Reuse video texture
db0111c set GraphicsSurface y-flip flag according to EGLImage orientation
89dc7ea Add flag to select whether the GraphicsSurface should flip the texture
193f725 Zero-copy video texture rendering
8447a27 Fix y-flip video texture support
4829f91 remove obsolete 0.10 code
3b8c8ce Fix unsafe memory load/store from the argument encoder/decoder affecting ARM https://bugs.webkit.org/show_bug.cgi?id=125674
caa6b83 [GraphicsSurface] Remove unneeded transform when painting to Texture Mapper
5a0523c Do not flip image when painting from GraphicsSurface
Merge pull request #44 from Metrological/wk2video

QtWebKit2 video rendering support
qt5: update to 5.3.0

No regression found compared to the beta.
Merge pull request #45 from Metrological/qt5.3-final

qt5: update to 5.3.0
qt5webkit: add WEBKIT_CONFIG+=use_glib on libsoup enabled builds

use_glib is set in gstreamer builds but not in libsoup only builds whereas there exist a dependency on glibc
rpi_webkitgtk_defconfig should enable webkitgtk-shell.
Enable HTML5 Video support in WebKitGTK+.
Add the patch that contains the necessary changes for zero-copy, efficient video rendering.