Updated feature description (naming and licensing)
Merge github.com:openETCS/toolchain
Merge github.com:openETCS/toolchain
Merge github.com:openETCS/toolchain
[#459] Fix the build : exclude sysml2scade feature & plugins

* Move Sysml2scade plugins from bundle to standalone folder (out of the build)
* change openETCS.product (org.openetcs.releng.products) to exclude Sysml2scade feature.
* change pom file in the releng.parent plugin to exlude plugins from the build
Merge github.com:openETCS/toolchain