QmlDesigner: Skip QmlDesigner for Qt < 5.3

Otherwise it will not build because it requires QQuickWidget.

Change-Id: Idbe40355af3ca3507268e7d002b04e76d90c45b1
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Welcome: Remove unused structure

Change-Id: Iacbea6e0a3ba93f3a758a2ac07ccfa62ee3532b5
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
Project Import: Make sure all values are fully set up

Call setup on all kitinformation that were not explicitly set when
creating a temporary kit while importing an existing build.

Task-number: QTCREATORBUG-12186
Change-Id: I655ecef10122a96d81e5ed222e80fbffcbb51e17
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
ProjectExplorer: Fix compilation with MSVC 2010.

Compiler error was:
src\plugins\projectexplorer\projectexplorer.cpp(1054) : error C2065:
'__this' : undeclared identifier
src\plugins\projectexplorer\projectexplorer.cpp(1054) : error C2227:
left of '->currentProject' must point to class/struct/union/generic type
src\plugins\projectexplorer\projectexplorer.cpp(1054) : error C2232: '-
has '' type, use '.'

Change-Id: I0c87ed992607bfee3155d7dc3c89fced60cb2b1b
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Help: Close external window when opening page in help mode

Change-Id: I863e819c0e85185e74aa931b6f7eeb49766d3759
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>
Merge remote-tracking branch 'origin/3.2'