[add:ctp] Add sideNavStdApprove element to the project.

Add sideNavStdApprove.ctp file that contains the side nagigation bar
for the Student Approval page. Also did small modifications to
defaultLayout.ctp and approve_student.ctp files
[ren:edit.ctp, edit_admin.ctp] Renamed edit.ctp to edit_admin.ctp

Change the file name of edit.ctp file and modified the content
of the file to relfect the view for edit student information
for administrator.
[mod:edit_admin.ctp] Create the view for editing student info for Admin

Add the code needed for the edit student information for the
administrator in to edit_admin.ctp file in View/Student folder
[add:edit_student.ctp] Add the view for editing profile for Students

Add the view for profile information edit for Students to the
edit_student.ctp file in View/Student