package converted tests

replace *.ycp/*.yh by *.rb in Makefile.am files
Merge pull request #490 from lslezak/package_tests

Package converted tests
updated ftp-server - use include_wrapper
Merge pull request #491 from lslezak/ftp-server_include_wrapper

updated ftp-server - use include_wrapper
dhcp-server - use include_wrappers
Merge pull request #492 from lslezak/dhcp-server_include_wrappers

dhcp-server - use include_wrappers