More work on Market functionality and UI

* Now loads all market items.
* Can filter market items.
* Will load market offers on items.
* Edited some UI images.

modules/game_market/ui/marketoffers.otui

@@ -33,17 +33,22 @@ Panel
     border-width: 1
     border-color: #000000
 
-  Item
+  UIItem
     id: selectedItem
     phantom: true
+    size: 34 34
+    padding: 1
+    font: verdana-11px-rounded
+    border-color: white
     anchors.top: rightTabBar.bottom
     anchors.left: rightTabContent.left
-    margin-top: 3
-    margin-left: 3
+    margin-top: 6
+    margin-left: 6
 
   Label
     id: nameLabel
     !text: tr('No item selected.')
     anchors.top: prev.top
     anchors.left: prev.right
+    anchors.right: parent.right
     margin-left: 5