Allow for an alternate template source to be used.
Allow sysctl_multi to be called without sysctl::default being in the run
list.
Fixed execute resource name
Render the conf file via template in sysctl lwrp
Reworked node['sysctl'] settings to use the lwrp
Added zap_sysctl_d to remove no longer used /etc/sysctl.d/*.conf files
Merge pull request #7 from nvwls/master

Major overhaul