changed the version number to 9 for new drugs and other stuff to follows
changed the dtd reference, removed processing directives and added gene definitions (PR, RT, IN and FU)
changed II drug class to INI
changed NNRTI and INI druglist (added EVG, DTG and RPV)
Added RPV rules
changed drug class name in the header comment II >> INI
Added EVG rules
Added DTG rules