Change copyrights and license headers from Nokia to Digia

Change-Id: Ieac8fb85896427cd5e3c6d91698c455a0dc9e495
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Reviewed-by: Janne Anttila <janne.anttila@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

As in the past, to avoid rewriting various autotests that contain
line-number information, an extra blank line has been inserted at the
end of the license text to ensure that this commit does not change the
total number of lines in the license header.

Change-Id: I5a62f56e4a36874b51c3258d02ae563e5810a422
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>

Change-Id: I2b7793cf4fbb605f58257e71614dcd6e2855a82d
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>

Change-Id: Ic9fffa8c317e73d8cbed665fe48c1b158e2fa420
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>

Replace old license header with correct one.

Change-Id: I85f5a152069bdd1433f41f41e766063ec0fdbe13
Reviewed-on: http://codereview.qt.nokia.com/1371


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jyri Tahtela <jyri.tahtela@nokia.com>