fixed grammar in license header

Signed-off-by: Kai Kreuzer <kai@openhab.org> (github: @kaikreuzer)
Fixed warnings in maven build.
* specify version of deploy plugin
* update assembly plugin to 2.4.1
* fixed jar-with-dependencies packages

Signed-off-by: Jochen Hiller <jo.hiller@googlemail.com> (github:
@jochenhiller)
Merge pull request #3 from JochenHiller/002-fixed-maven-build

Fixed warnings in maven build.
Added missing authors for jupnptools Java code

Signed-off-by: Jochen Hiller <jo.hiller@googlemail.com> (github:
@jochenhiller)
Merge pull request #4 from JochenHiller/003-added-missing-author-in-tool

Added missing authors for jupnptools Java code