Working on list operations including delete, reorder.

Add search filter to list.
Fix bugs of swipe events on student list page. Now use class attribute
to annotate the swipe events are in process instead of global variable.

Have to be careful about the add and remove of class that indicate swipe
events to avoid accidentally addition or removal.
Add basic sortable functions to student list using jquery ui.
Decide to use auto list divider on student list page instead of sortable
list.

Student deletion and other operations are to be performed on stamps
page. Commented out all sortable list related code, include swipe
handling on student list.
Student list is sorted by case insensitive first + last name via
database query. Both first and last names are requires at new student
registration.
Add alphascroll in case we need it somehow.

Probably not gonna use it especially considering that the app may need
to support other languages.
Working on adding a student details page where deletion is also
performed.
Add student deletion handler and it works now.

Add dialogs plugin to display device native confirm and alert windows.
Add button layout in footer section for teach regs page.

Only HTML no code yet.
Decide to use popup menu for teach regs page instead of placing buttons
everywhere.
Add teach regs details page to show more info about the class and its
registrations and delete class. It also alows edit to class name and
description. More options to be added.

Streamline the popup windows to unify user experience.