added person serach model
fixed a bug
handled relations
put checks on who to issue serial numbers; not parents
automated serial number generation
added .sql script on database initialise for serial numbers
fixed a bug on person params
removed filedatabase.yml
temporarily removed admin tab
error warnings on  dde link failure
remove auto serial number assignment, left for maternity system
refinement on serial numbers from maternity and birth reports
refined on birth reports
alerts for repeated serial numbers
alerts for repeated serial numbers
added file