tst_qdir: Move QFINDTESTDATA() from init() to constructor.

Check result in initTestData().

Previously, QFINDTESTDATA() was repeatedly invoked in init(). The
data-driven cd() test then failed when invoked stand-alone since
cd_data(), which relies on the data path, is executed before init().

Task-number: QTBUG-40067
Change-Id: I91039247e8dcaedd92fa990f1b5f82bc54b17c60
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Doc: moved saxbookmarks example files

Moved to qtbase/examples/xml/saxbookmarks
Png and qdoc file.
Updated qtxml.qdocconf accordingly.

Change-Id: Iafe50a09aee22f518adf9ec2ebf289e766e24ff4
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
QSslCertificate: blacklist NIC certificates from India

Those intermediate certificates were used to issue "unauthorized"
certificates according to
http://googleonlinesecurity.blogspot.de/2014/07/maintaining-digital-certificate-security.html
, and are by default trusted on Windows, so to be safe we blacklist
them here.

Change-Id: I9891c5bee2dd82c22eb0f45e9b04abd25efeb596
Reviewed-by: Richard J. Moore <rich@kde.org>