additional platforms in metadata, clarify description
additional platforms in metadata, clarify description

strebitz/logrotate,gleamicus/logrotate,Altiscale/logrotate,Altiscale/logrotate,sh9189/logrotate,evertrue/logrotate,sh9189/logrotate,tfly-cookbooks/logrotate,evertrue/logrotate,strebitz/logrotate,stevendanna/logrotate,stevendanna/logrotate,cookbooks/oc-logrotate,tfly-cookbooks/logrotate