install .lib files for static libs again

the no_dll switch has questionable semantics: it pro-actively breaks
non-dll builds. therefore its usage needs to be limited to dll build.

Task-number: QTBUG-39594
Change-Id: I98328e502693df835af565b5ec25ada2c1c168ad
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
xcb: touch device mode is either Dependent or Direct, not Rel or Abs

Change-Id: Ic0091007c95c4c307485bc2d5d3e1e967b44323e
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
QRasterPlatformPixmap::createPixmapForImage(): Avoid crash when QImage conversion failes

Added some checks to QRasterPlatformPixmap::createPixmapForImage() to avoid
crashes when QImage::convertToFormat() returns a null image.

Change-Id: I573505a1aff7931d9a2fb452d0a83ae93d8de7db
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>