find_dependency: Give more helpful message if VERSION is empty
CMake*CompilerId: Fix patch level for Intel >= 14.0 (#14806)

According to the Intel release notes:

 http://software.intel.com/sites/default/files/l-compiler-release-update.pdf

the __INTEL_COMPILER_UPDATE predefined macro was introduced to hold the
third version component.

Reported-by: Dirk Ribbrock <dirk.ribbrock@mathematik.uni-dortmund.de>
Co-Author: Rolf Eike Beer <kde@opensource.sf-tec.de>
Merge branch 'fix-find_dependency-empty-version' into release
Merge branch 'intel-14-version' into release
QtDialog: Avoid linking to Qt4 WinMain when using Qt 5.

Override the QT_QTMAIN_LIBRARY cache variable with a regular
variable in the Qt 5 configuration. This avoids linking with the
Qt 4 version of the WinMain library.
Merge branch 'fix-Qt5-windows-build' into release
cmTarget: Restore <CONFIG>_LOCATION to CMP0026 OLD behavior (#14808)

Restore support for the undocumented <CONFIG>_LOCATION target property
removed by commit v3.0.0-rc1~175^2 (cmTarget: Remove support for
<CONFIG>_LOCATION property, 2013-12-30) as part of the CMP0026 OLD
behavior.
Merge branch 'CONFIG-LOCATION-CMP0026' into release