
add two columns 'branch' and 'dept' in 'user' table (of type int and default value 0) 

add fields 'branch' and 'dept' in user edit form 

modify code to upload users through csv, to add 'branch' and 'dept' idnumber columns in csv file 

add two columns 'branchpoweruser' and 'deptpoweruser' in 'user' table (of type int and default value 0) 

add 6 poweruser roles, 3 for branch and 3 for dept (unit_admin, enrollment_admin and reporting_admin)
