XAPM-21: Ability to use Task Manager Application

* Add sheets and page needed to depend on Task Manager Application
Fix the Project Task Manager Sheet
Fix when project page title is empty
Add current project as parent when new task
Bad fix for display of livetable
Remove uneeded modifications
Merge pull request #1 from woshilapin/plug-application-task

XAPM-21 Ability to use Task Manager Application as the task tool