Add change log for 5.2.1

Change-Id: I12b294e9d3db91a1580b022ccae9dacb5b841ae0
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Don't build scanner example without QtQuick

Task-number: QTBUG-35711
Change-Id: I0406fb5edd8fb2a90046308853485eaaa4311a26
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Bump MODULE_VERSION to 5.2.2

Change-Id: I6a6f84dbc6cb3b38cb910464f2519222813b6caa
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reduce SDP discovery debug output on Bluez

Printing the entire SDP xml is just too verbose. This reduces the output
by multiple pages.

Change-Id: I08ffb7799f3c9f5a61de224e58e565719d44b81b
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Cleanup more duplicated code in SDP discovery class.

Change-Id: I4b6be592204cc435bfec508725d64cb8f7529a3b
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Fix memory leaks in Bluez specific device and SDP discovery classes.

[ChangeLog][QtBluetooth][Platform Specific Changes] Memory leaks fixed
in Bluez device and service discovery implementations.

Change-Id: Ibc7c883d42d81a97310ff44ba40ffa94c71f611f
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Cleanup dead code in Bluez SDP discovery backend

The change tweaks the discovery debug output log too.

Change-Id: I4ef3e2e8ebaf0d9e593eee35a669641e3914da01
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Improve QBluetoothServiceDiscoveryAgent documentation

[ChangeLog][QtBluetooth][QBluetoothServiceDiscoveryAgent] The
QBluetoothServiceDiscoveryAgent class documentation has been improved.

Change-Id: I5472e9ceda45d9bcf0634b5bf2cecf265986bc10
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Do not clear result lists while the SDP search is ongoing.

Or bad things will happen...

Change-Id: I7df3925ff5d15f3f904f4dd38e24b247ec151fd1
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>