Simplenlg

- SimpleNLG is now hosted on GitHub.
- Migration to Apache Maven for build process.
- Support for using SimpleNLG as a maven artifact on OSSRH.
- JUnit test code clean up.
- New features:
- Support for parentheticals: https://github.com/simplenlg/simplenlg/issues/13
- Bug fixes:
- Fix for XMLLexicon entry being changed when the sentence is realised: https://github.com/simplenlg/simplenlg/issues/16
- Fix for double commas when two appositives are next to each other: https://github.com/simplenlg/simplenlg/issues/15
- Fix for possessive specifier of NP gets pluralized too when NP is pluralized: https://github.com/simplenlg/simplenlg/issues/9
- Fix for Method realise(List<NLGElement> elements) inside the Realiser.java is not implemented: https://github.com/simplenlg/simplenlg/issues/8

- Main new feature for this release is improved Text and HTML formatters. Both now support lists including multi-level enumerated lists.
- Various bug fixes and general improvements.

N.B: simplenlg-v4.4.3 jar has been build for JVM's 1.6+ and higher.