[update] update to upstream 5.1.0-beta1
Squashed 'qtquick1/' changes from 5ed36a9..31c3dec

31c3dec Make sure correct files are bundled on Android
d868a13 Fix bic baseline data
4fb85a7 Doc: Remove instructions for using qtdemo from examples README
5c1b30c test: Remove CONFIG+=parallel_test from tst_examples
183b690 Merge remote-tracking branch 'origin/release' into stable
33afb89 Fix warnings for QtQuick1
ea6590a Doc: Fix faulty code snippet in QDeclarativeEngine class reference
3eb583f Fix a bug where completed was emitted twice when duration was zero.
983d006 Use qmake for package dependency resolution in cmake tests.
1bb7257 Bump MODULE_VERSION to 5.1.0
3c5cef4 Merge branch 'dev' into stable
b35d793 Smooth dragging an item with MouseArea.
3a80424 Fix jump and property changes on first move when dragging a Flickable.
fd52889 Merge branch 'release' into stable
1416639 Fix warning about extended date/time range in Qt 5.
ac46d0b Merge remote-tracking branch 'origin/stable' into dev
fca5998 Remove qaccessible2 bic data.
cc71b96 Fix qdeclarativelanguage test for installed builds.
8c68304 Makes QSmoothedAnimation respect zero duration.
3a1ec49 Fix warning about overloaded virtual in qmlviewer (CLANG).
f23ec41 Fix warning about adding int to a QString (CLANG).
86ea7da Fix warnings about unused variables in tests (CLANG).
4c5520d Remove unused variable (CLANG).
0302fd3 Fix warning about uninitialized variable (CLANG).
c520a69 Improve emission of FocusScope focusChanged signals.
b44c6df Merge remote-tracking branch 'origin/stable' into dev
e8ca72d Flickable shouldn't grab the mouse until it starts an effective move.
67db779 MouseArea shouldn't grab the mouse until there is an effective drag.
eb338ea Merge "Merge remote-tracking branch 'origin/stable' into dev" into refs/staging/dev
aa8e59c Merge remote-tracking branch 'origin/stable' into dev
d31f965 Fix QDeclarativeListView currentSection property update
ae764c6 Remove QT_{BEGIN,END}_HEADER macro usage
7571a15 Remove export-declaration from inline function qmlRegisterType().
9338d4b Merge remote-tracking branch 'origin/stable' into dev
3146dcb Merge branch 'stable' into dev
a7ea2af sync.profile: Point dependencies to 'refs/heads/dev'
9995a29 Add a method that allows registration of files to types
dc96bfd Delay loading implicit import

git-subtree-dir: qtquick1
git-subtree-split: 31c3dec9fe1341d412830eb1163e252112f9765c
Merge commit '81d9c72b589bf288ea544f28967edeb2cd32de3f'