fixes: changed to new style class instantiation for quad store
fixed: correct imports php-lib/bio2rdfapi.php for Bio2RDFizer parent class
fixed: now importing the correct php-lib module, bio2rdfapi.php, from the bio2rdfapi branch of php-lib
updated: added port parameter for SQL connection
updated chembl.php: fixed bio2rdfapi.php library import; renamed mysql user/password parameters to db_user and db_pass, respectively, for consistency
minor fix on chembl.php: added preceding front-slash to the relative path to php-lib
Merge pull request #324 from theoryno3/igb_release3

updates to chembl.php: updated import of php-lib/bio2rdfapi.php (bio2rdf branch); changed class instantiation to new-style; added database port parameter