Resolve #222 (Use of ordered dicts in gui bumped python requirement to 2.7)

gui/bitmapLoader.py

@@ -20,11 +20,15 @@
 import os.path
 import config
 import wx
-import collections
 import time
 
+try:
+    from collections import OrderedDict
+except ImportError:
+    from compat import OrderedDict
+
 cachedBitmapsCount = 0
-cachedBitmaps = collections.OrderedDict()
+cachedBitmaps = OrderedDict()
 dontUseCachedBitmaps = False
 
 def getStaticBitmap(name, parent, location):

gui/shipBrowser.py

@@ -3,11 +3,15 @@ import copy
 from gui import bitmapLoader
 import gui.mainFrame
 import service
-import collections
 
 from wx.lib.buttons import GenBitmapButton
 from pickle import TRUE
 
+try:
+    from collections import OrderedDict
+except ImportError:
+    from compat import OrderedDict
+
 FitRenamed, EVT_FIT_RENAMED = wx.lib.newevent.NewEvent()
 FitSelected, EVT_FIT_SELECTED = wx.lib.newevent.NewEvent()
 FitRemoved, EVT_FIT_REMOVED = wx.lib.newevent.NewEvent()
@@ -26,9 +30,9 @@ class ShipBrowser(wx.Panel):
         self.browseHist = []
         self.lastStage = (0,0)
 
-        self.stage1Cache = collections.OrderedDict()
-        self.stage2Cache = collections.OrderedDict()
-        self.stage3Cache = collections.OrderedDict()
+        self.stage1Cache = OrderedDict()
+        self.stage2Cache = OrderedDict()
+        self.stage3Cache = OrderedDict()
 
         self._stage1Data = -1
         self._stage2Data = -1