Fix RHEL 7 does not have openvpn-auth-ldap package
Fix service management on RHEL7 using systemd
Fix service management on RHEL7 using systemd
Fix path to status_log to make it compatibler with SElinux RHEL7 policy

This patch also moves the status log for debian like system.
It creates the folder as necessary
Fix travis build
Fix travis build 2
Merge branch 'log_path_compatible_wih_selinux'