merge
sell view & controller (#24, #27)
Updated sell view
sell view & controller (#24, #27)
Added initial data generator, simple market simulation.
Merge branch 'Baszczyk' into Mucha
fixed updateStock in userData controller
merge Mucha with controllers fixes
minor syntactic fix
minor fixes
added communication with database in generator
Merge branch 'Uszycki' into Zarnowski