Fix QLEController::connectToDevice() documentation

A logical condition was inverted.

Change-Id: Ia7b54fe75a8cea4275e3c92c6283bc12f3423b64
Reviewed-by: Timur Pocheptsov <Timur.Pocheptsov@digia.com>
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>
More clearly specify the Linux and Bluez version for BTLE support

Change-Id: If62bce8794855b8865e02ed87ec3faac80bfc3bd
Reviewed-by: Timur Pocheptsov <Timur.Pocheptsov@digia.com>
Reviewed-by: Alex Blasche <alexander.blasche@theqtcompany.com>
Merge remote-tracking branch 'origin/5.4' into dev

Change-Id: Ie8293c006bb74cdf324073044a0c622d44651324