*added JSON Import
added tester example
- added a test function in Run.java
- Added Tester class
- Fix in Tester class
- added rdf and ttl connectors
- Maven integration
- Remove old files
- Remove old files from src
- Changes on REST API
- Fix REST write call on Tester class
- Fix doc, encoding and libs
- add catalog-v001.xml files to .gitignore
- add .DS_Store files to .gitignore
- add auto csv delimiter
- Add server startup listener
- add preparedStatement support and fix sql null entries
- XPath improvement
- V1.2
- add LinkedData import and fix RDFFactory