Check for boost header in sysroot

The check has to detect if boost header is present in the system we are
building for.

Change-Id: I700a11df208c8852ba094d8bff387ad21fa309b2
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Added autoHide property to QTabBar

This property is used to automatically hide tab bar if it has only one
tab.

Originally-by: Denis Kovalskiy <denimnumber1@gmail.com>
Change-Id: I6967f760010fa55bad6a5986c29abe7ccf625cf8
Reviewed-by: David Faure <david.faure@kdab.com>
MSVC: Fix the compilation of benchmark tests with strict string literals.

Introduced by 9f0e5d00ab51cc7c0dc87c8d72f48c4e6edaf120 .

Change-Id: I704501bd7e543d971f9b8c9e75746b5749126c5f
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@digia.com>
Add QDebug::noquote() stream modifier

Allow the user to disable the quoting of QString, QByteArray,
QStringLiteral by passing a "noquote()" stream modifier.

This requires another flag to be added to QDebug::Stream. To
keep BC we're using the QMessageLogContext::version field
to differentiate between QDebug streams created by earlier
versions.

Task-number: QTBUG-37146
Change-Id: I9b215eabfcfd754af16ea87f3ef928d698e37d77
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>