Update links from http to https

git-svn-id: https://plugins.svn.wordpress.org/easycron/trunk@896890 b8457f37-d9ea-0310-8a92-e5e31aec5664
update links in module

git-svn-id: https://plugins.svn.wordpress.org/easycron/trunk@896892 b8457f37-d9ea-0310-8a92-e5e31aec5664