Do not use webkit in case of static build.
Do not use webkit in case of static build.

Since linking against a statically build qtwebkit fails, fallback to
use QTextBrowser. I guess we need to fix static webkit builds first.

Change-Id: I1bc6c1ae70f0e57fa179a3ffe8750bde97809d12
Reviewed-by: Oswald Buddenhagen <6a8868beda3e139b5ac22b2534a23d3e6ba81819@digia.com>
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@digia.com>

mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools