Expirations working

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047423 b8457f37-d9ea-0310-8a92-e5e31aec5664
Get options only once

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047425 b8457f37-d9ea-0310-8a92-e5e31aec5664
Store datetime in UTC

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047426 b8457f37-d9ea-0310-8a92-e5e31aec5664
Put Date utilities into static class

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047427 b8457f37-d9ea-0310-8a92-e5e31aec5664
Allow default expirations

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047428 b8457f37-d9ea-0310-8a92-e5e31aec5664
Datepicker appearing but not updating input value

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047429 b8457f37-d9ea-0310-8a92-e5e31aec5664
Datepicker sets date properly

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047430 b8457f37-d9ea-0310-8a92-e5e31aec5664
Multisite changes to TEST

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047432 b8457f37-d9ea-0310-8a92-e5e31aec5664
Catch errors in DateUtilities

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047433 b8457f37-d9ea-0310-8a92-e5e31aec5664
Block network activation

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047434 b8457f37-d9ea-0310-8a92-e5e31aec5664
Debug logging of expiration processing

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047435 b8457f37-d9ea-0310-8a92-e5e31aec5664
Turn on notifications

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047436 b8457f37-d9ea-0310-8a92-e5e31aec5664
Change development-friendly variables

git-svn-id: https://plugins.svn.wordpress.org/content-scheduler/trunk@1047437 b8457f37-d9ea-0310-8a92-e5e31aec5664