Major improvements, see desc

- Fixed selling same vehicle multiple times
- Fixed selling <no> vehicle
- Major security improvements
- Removed buying vehicle for society
- Code cleanup
- Fixed depopping vehicle not working (not respecting network owner)

locales/fi.lua

@@ -5,9 +5,6 @@ Locales['fi'] = {
   ['vehicle_belongs']         = 'ajoneuvo kilvellä ~y~%s~s~ on nyt ~b~sinun~s~ omistuksessasi',
   ['broke_company']           = 'sinulla ei ole tarpeeksi rahaa yrityksen tilillä',
   ['license_missing']         = 'you don\'t have a driver\'s license!',
-  ['purchase_type']           = 'osto tyyppi',
-  ['society_type']            = 'firma',
-  ['staff_type']              = 'henkilökunta',
   ['buy_vehicle_shop']        = 'haluatko ostaa ajoneuvon %s hintaan $%s?',
   ['buy_vehicle']             = 'osta ajoneuvo',
   ['car_dealer']              = 'autokauppa',
@@ -18,6 +15,7 @@ Locales['fi'] = {
   ['depop_vehicle']           = 'palauta ajoneuvo',
   ['return_provider']         = 'return vehicle to provider',
   ['get_rented_vehicles']     = 'vuokrattavat ajoneuvot',
+  ['no_current_vehicle']      = 'you do not currently have an vehicle displayed',
   ['invalid_amount']          = 'virheellinen summa',
   ['invoice_amount']          = 'laskun summa',
   ['no']                      = 'ei',
@@ -34,7 +32,6 @@ Locales['fi'] = {
   ['sell_menu']               = 'paina ~INPUT_CONTEXT~ myydäksesi ~y~%s~s~ hintaan: ~g~$%s~s~',
   ['set_vehicle_owner_rent']  = 'määritä ajoneuvon [Vuokra]',
   ['set_vehicle_owner_sell']  = 'myy ajoneuvo',
-  ['set_vehicle_owner_sell_society']  = 'määritä ajoneuvon [Hinta] [Firma]',
   ['shop_menu']               = 'paina ~INPUT_CONTEXT~ avataksesi menu',
   ['generic_shopitem']        = '$%s',
   ['vehicle_dealer']          = 'ajonevuo - Autokauppa',