Initial implementation of Add ability to complete a task from the Current Tasks metabox.
Removed completed ul container because it's not needed in the Current Tasks metabox.
Notify assigned users upon task completion.
Fixed number of parameters value declaration.
Only display tasks that are assigned to the current user. Aministrators can see all tasks.
Fix missing argument 2 when tasks method is called.
Merge branch 'bugs'
Remove current metabox functions.