RDFaProcessor contact and implimentation added with unit test class
Regular expresions were added as constant strings
implemented some function to precess RDFa
RDFa Processor implemention is completed
updated constants
refactored RDFaProcessor tests
added resource files (XHTML/HTML) for unit testing
Implemented builder pattern to create RDFa triples
changed resource file property "copy to out put directory" to "copy if newer"
HtmlAgilityPack refference was added
RDFaParser were implemented
Refactoring parser
added Html Node extension methods and tests. refactored unit tests with a new test context
Fixing the issue had with prefix mapping
using vcab attribute to decide current ontology used in its and child attributes
updated constants
adding rdf writer and modifying parsing logic to comply with rdfa 1.1
Fixing issues in RDFTripleBuilder and Parser