revisions

restructure patient record query
dropdown of sub dentists in add patient - fixed
adding delete sub dentist - ongoing
Merge remote-tracking branch 'origin/noel' into development

Conflicts:
	application/views/manage/manage_body.php
undefined variable: dentist_data - fixed
merged from development and other revisions
Merge remote-tracking branch 'origin/noel' into development

Conflicts:
	application/models/manage_model.php
Merge remote-tracking branch 'origin/development' into mic_branch
advance search finished query for procedure