Change date 2.9

Change date v1.9 changes:

Fixed default search index variables.

Change date v1.8 changes:

Now updates search indexes.

Change date v1.7 changes:

Updated view variable.

Change date v1.6 changes:

Added feature to prevent a future date to be entered.

Change date v1.5 changes:

Added "use current time" link in change date overlay.

Change date v1.4 changes:

Updated PHP file. Fixed issue dealing with thread starter.

Change date v1.3 changes:

Fixed template issue, previous version feature will now function.

Change date v1.2 changes:

Added Notes field to the Options page.

Change date v1.1 changes:

Updated addon.json file.