From Qt 5.7 -> LGPL v2.1 isn't an option anymore, see
http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/
Added new header templates and corresponding license files. Unnecessary
ones will be removed later when license header change is done to all
Qt modules
Change-Id: I8c482d81e40c03f0c6395e437f55527617aa6b58
Reviewed-by: Tuukka Turunen <tuukka.turunen@theqtcompany.com>
Reviewed-by: Iikka Eklund <iikka.eklund@theqtcompany.com>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
