Add change log file for 1.0.5 version

Change-Id: If6f6e0e8020ec9011382d1ebb2c6c920602c79df
Reviewed-by: Jani Heikkinen <jani.heikkinen@digia.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
Merge remote-tracking branch 'origin/1.0.5' into 1.0

Change-Id: I370f3c3e2da42913a4f87ec2c2d9beee9b4d0678