now correctly selects sysvinit or systemd for SLE_11 SLE_12 and openSUSE_13.1
cleaned code and added help on these commands
adds 4 very basic tests for init type
functionnames cant have '.' in the name
default shoudl be None
don't need the parenthesis
Merge pull request #212 from osynge/wip_sysvinit_or_systemd

now correctly selects sysvinit or systemd for SLE_11 SLE_12 and openSUSE...