TEIIDDES-1696: Upgrades to using 4.1.0-beta2 parent pom

* Builds designer with tycho 0.18

* 4.1.0 integration stack remains the same so no change to the target
  platform.
Updates target platform to replace locus version of apache poi

* Version of apache poi in locus is 2.5.1 which is oooold. The version in
  orbit repository is 3.9.0.

* Better to use orbit's version since its cleaner and provided rather than
  packaging and maintaining it ourselves.

* Updates target-platform pom to use CR2 release of target-platform-utils

* Orbit repository added to target as its supplied new version of poi
Need to correctly attribute credit for use of the jcip annotations library

* jcip.annotations is distributed under the Creative Commons Attribution
  Licence and requires that credit should be given to the original authors
  of the library. Thus, credit is provided in the feature licence.