MAJOR CHANGE - created modular flows

deprecated RIVS table in favor of FLOWS table

added trigger and generator for flows table
changed ftype to varchar(50) from varchar(10)
dropped column ftype in flow_data table
added/changed the following stored procedures:

select_flows
select_flows2
select_flow_lib_data
select_flow_transactions
update_flows
update_flow_data

also updated the interface on the main page and changed
the way i run stored procedures to use ParamByName rather than Params[i]