inetd - run agent tests

the tests now have *.rb suffix
inetd - temprary workaround to pass the tests

revert this commit once the include files are not inlined
Merge pull request #463 from lslezak/inetd_testsuite_fix

Inetd testsuite fix
hardware-detection -  keep the tests in YCP format

the runag_hwprobe.cc wrapper uses scr/run_agent.h which explicitly
uses YCP parser for running the tests so only YCP tests are supported
Merge pull request #464 from lslezak/hardware_detection_testsuite

hardware-detection -  keep the tests in YCP format