Debug option to clear all students [1/1]

[Problem]
There is not debug option to clear all students.

[Solution]
Add debug option to clear students.
Move student list from current to import [1/1]

[Problem]
The current student list are students that are being timed. The import student list is the list that should be reading
from the database.

[Solution]
Move the student list to the import student tab.