added additional test (find rhosts-files, check /etc/shadow owner and rights, check PATH variable, check umask)

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
Fixed rubocop issues, Travis run failed

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
Fix: ENV_PATH in login.defs test not correct

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
Fix: Syntax warrings

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
FIX: Use %r for regular expressions matching

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
FIX: reqular expression in PATH variable

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
Merge pull request #17 from atomic111/master

added additional test