parse "DISTRO" content value, set "NAME" and "LABEL"

write CPE ID to SLP *.reg file
.gitignore update
update permission definition in Apache config

the syntax has been changed in Apache 2.4.x
write firewall settings for FTP server
SuSEFirewall.Write checks internally for SuSEFirewall.GetModified
Instserver.rb - remove trailing spaces
added tests
convert the old tests to Rspec