Remove two unused functions from QAccessibleTabBar

Change-Id: Ib3296a11b1bb9656f2b0c14106ea09f529311ccf
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
Doc: Add a little more information about current dirs

Task-number: QTBUG-34300
Change-Id: Ib71d6ace77b525942ca40645299cdfd87b753d70
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
Force length fo licensee literals to be computed at runtime

Prevent compilers from computing strlen() at compile time by
passing a volatile pointer.

Task-number: QTBUG-34261
Change-Id: I5e5e80181024d57496907918d2a43d7c83841082
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
QGlobal: static_assert that sizeof(int) == 4 and UCHAR_MAX == 255

According to Thiago, Qt assumes this in a lot of places,
so make it explicit.

Change-Id: I3f4a55699379fd9fe4d792061c80b3b589c10c53
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>