Improved translation (#8)

locales/en.lua

@@ -4,7 +4,7 @@ Locales['en'] = {
   ['free_prop'] = 'free property',
   ['property'] = 'property',
   ['enter'] = 'enter',
-  ['leave'] = 'leave the property',
+  ['leave'] = 'sell',
   ['buy'] = 'buy',
   ['rent'] = 'rent',
   ['visit'] = 'visit',

locales/sv.lua

@@ -4,7 +4,7 @@ Locales['sv'] = {
   ['free_prop'] = 'ledig fastighet',
   ['property'] = 'fastighet',
   ['enter'] = 'gå in',
-  ['leave'] = 'lämna',
+  ['leave'] = 'sälj',
   ['buy'] = 'köp',
   ['rent'] = 'hyr',
   ['visit'] = 'besök',