[maven-release-plugin] prepare for next development iteration
Updated to wsn-device-drivers 1.1.5-SNAPSHOT

Implemented behavior to disconnect and reconnect after flashing for the GUI (see commit 282c302d110bc8f375d59f05d966b57ded2cb32b of wsn-device-drivers)
Bumbed version number of wsn-device-drivers to be on par
Updated plugin deps
[maven-release-plugin] prepare release v1.1.6