Update license headers and add new license files

- Renamed LICENSE.LGPL to LICENSE.LGPLv21
- Added LICENSE.LGPLv3 & LICENSE.GPLv2
- Removed LICENSE.GPL

Change-Id: I4852e1e3fb306319e63d919675acad9a64e43db6
Reviewed-by: Jani Heikkinen <jani.heikkinen@digia.com>
HICON should be destroyed by DestroyIcon

fix GDI object leaks at least on Win 8.1 x64

Task-number: QTBUG-40996
Change-Id: I9314486ab498a3f74c22deb6ca874ea6adc2e36c
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Merge remote-tracking branch 'origin/5.4' into dev

Change-Id: Ic286e1d897f0351c827d38db8f7e89feaf78a870
Bump version

Change-Id: I7928f347c8f9d73737aac90dc11c65d204d7a045
Fix errorMessageFromComError().

Task-number: QTBUG-41138
Change-Id: I86738bb2bdd1fb3064a7894922869bca2a1b4581
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Merge remote-tracking branch 'origin/5.3' into 5.4

Conflicts:
	.qmake.conf

Change-Id: Ie73d9a90731c6e884a03d1bb64aff5571659d45d
Merge remote-tracking branch 'origin/5.4' into dev

Change-Id: I0974651122fd117557647a1a04d07cf116f0e140