displaying trainee related tables using datatables library
trainee table display for TA sisters is now completed
delete references to filter and tables python files
delete unused class-based views in accounts' views.py
Merge branch 'TA_admin_trainee' into TA-admin

Conflicts:
	ap/static/datatables/css/jquery.dataTables.css
	ap/static/datatables/js/dataTables.bootstrap.js
	ap/static/datatables/js/jquery.dataTables.js
	ap/templates/base.html
Resolve conflicts for merge
Merge branch 'TA-admin', resolving url conflict

Conflicts:
	ap/templates/base.html