Change install paths, now is .../iri/<library_name instead of .../iridrivers....

Change install paths, now is .../iri/<library_name instead of .../iridrivers. Find cmake: switch to plural cmake variables, _INCLUDE_DIRS and _LIBRARIES, although. Fix project_name: underscore _ instead of dash -. Removed old template.tar.gz, no needed anymore
 singular names are kept for backward compatibility