Commented out redundant lines.
Fixed grammar errors in descriptions.
- Fixed a bug that editing a disable task made the task not accessible from the task listing table.
- Added a new meta box in task edition page that includes the `Update` submit button, some time indications, and the switch option of `Enabled` or `Disabled`.
- Tweaked the Delete Posts action module not to insert a taxonomy query argument when the taxonomy slug is not selected.
- Fixed a bug that repeatable fields could not be properly updated in wizards.