Bump MODULE_VERSION to 5.3.1

Change-Id: If8c86e33a045ea50d957a2a68c204a8de2fad65c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Make QWebpHandler::write() work on big endian systems

Currently, we convert image to Format_ARGB32. This means that on big
endian systems the order of bytes will be (0xAA, 0xRR, 0xGG, 0xBB).
However, in WebP library there is no function to import bytes in
ARGB format.

This commit makes us use Format_RGBA8888 and WebPPictureImportRGBA
on big endian systems, which will make the function work correctly.

Change-Id: I5f347f3ec66f0a57df0d40d4900b1573f9400506
Reviewed-by: Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com>
Reviewed-by: aavit <eirik.aavitsland@digia.com>
Merge remote-tracking branch 'origin/5.3' into dev

Conflicts:
	.qmake.conf

Change-Id: Iea93fd02ca221e7b36328245f593cbe48cd2771c
Bump version

Change-Id: I76c25993967a23329da5983a13a6198662566c58
Suppress "sequential device" warning for other files.

Hides "sequential device" warning for non-icns data.

Task-number: QTBUG-39838
Change-Id: Ib09f519de04a53e9d685b14412c40ee0077fb3d9
Reviewed-by: Ivan Komissarov <ABBAPOH@gmail.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
Merge remote-tracking branch 'origin/5.3' into dev

Conflicts:
	.qmake.conf

Change-Id: Ia2ad5d124b5ade98463e2304a96458d5d9fb9a59
Save opaque images as opaque TIFF files

We currently save all non-indexed images as RGBA TIFF files. We should
save them without an alpha channel, to save space and maintain the
information that they are opaque.

Task-number: QTBUG-18475
Change-Id: Id656f4078ea0a1b88235fb04add99a4680422354
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Ivan Komissarov <ABBAPOH@gmail.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
Doc: Removing url variable from qdocconf file.

-url inherited from the url variable set in qtbase/doc/global

Change-Id: I9d7f513b1e47c5ebd3d0bd0bf0f7647c175d096e
Reviewed-by: Martin Smith <martin.smith@digia.com>