GitLab

- The build.xml file has been cleaned up extensively.
- The build system for examples has been simplified and cleaned up.
- There is support for binary DiSL releases with examples and documentation.
- Examples should be used with a binary DiSL distribution (see output/dist).
- Moved the disl.py launcher out of the examples subdirectory.
- Test suite Runner has been modified to accept locations and native library names from outside.

fixed some details reported by findbugs and pmd 
added libs licenses
improved marker javadoc
removed scripts from build.xml, added ant-contrib