[update] update to upstream commit 289da56
Squashed 'qtwebkit/' changes from 26e6818..b3b8ed0

b3b8ed0 [Qt] Fix a crash under ~PingLoader when the QNAM on the page has been destroyed.
b392374 [Qt] Fix a crash under ~PingLoader when the QNAM on the page has been destroyed.
0c06c59 [Qt] Re-enable plugins on Mac.
f64d11f [Qt][Mac] Allow drawing plugins with QWindow by always using an intermediate bitmap.
57626c5 [Qt][Mac] Remove Carbon and QuickDraw support for plugins.
50ccde8 Crash when loading link to audio file
9769275 Make PNGImageDecoder::rowAvailable auto-vectorizable
43d4081 [Qt] Fix a crash in QtPixmapRuntime.
0376f73 [Qt][Win] Input events aren't mapped properly with windowless plugins.
ac00a34 Font’s fast code path doesn’t handle partial runs correctly when kerning or ligatures are enabled
309c7aa Add all plugins.qmltypes files and update qmldir files
fb2adc6 sync.profile: Point dependencies to an empty string
f8feaca LLInt conditional branch compilation fault on MIPS.
ed46fa6 Bug in atomicIncrement implementation for MIPS GCC
dfd49c6 Fix the atomicIncrement implementation for MIPS GCC
765fd0c offlineasm BaseIndex handling is broken on ARM due to MIPS changes
fee4105 MIPS DFG implementation.
9147a90 MIPS LLInt implementation.
d7fff22 Crash when calling QWebFrame::evaluateJavaScript
49cede6 Crash when calling QWebFrame::evaluateJavaScript
185a6ea Fix testing if program exists in PATH
f9f9277 [Qt] RGB -> BGR is wrong on big endian

git-subtree-dir: qtwebkit
git-subtree-split: b3b8ed036fb802f638cac9c637065363fba8b4fa
Merge commit '7d46b5ecf945ed07752f0a1dfc853986147698b7'
[packaging] touch .git to make sure that syncqt is run

Signed-off-by: Carsten Munk <carsten.munk@jollamobile.com>