Removed dependency to old serial port implementation and cloudbees re…

…pository.

[maven-release-plugin] copy for tag zigbee4java-2.0.11

Fixed readme.

[maven-release-plugin] copy for tag zigbee4java-2.0.10

[maven-release-plugin] copy for tag zigbee4java-2.0.2

[maven-release-plugin] copy for tag zigbee4java-2.0.1

[maven-release-plugin] copy for tag zigbee4java-2.0.0

[maven-release-plugin] copy for tag zigbee4java-1.0.8

[maven-release-plugin] copy for tag M2RELEASE-TAG-1.0.7

[maven-release-plugin] copy for tag zigbee4java-1.0.6