* Start X11 automatically on OS X if not running.

* Moved one import in osx/__init__.py. If that import fails, we still
  got the few functions defined we need, even if the rest of that file
  doesn't work due to missing deps.

src/gajim.py

@@ -142,8 +142,16 @@ try:
 	import gtk
 except Warning, msg:
 	if str(msg) == 'could not open display':
-		print >> sys.stderr, _('Gajim needs X server to run. Quiting...')
-		sys.exit()
+		if sys.platform == 'darwin':
+			os.system('/Applications/Utilities/X11.app/Contents/MacOS/X11 &')
+			try:
+				import gtk
+			except Warning, msg:
+				print >> sys.stderr, _('No X11 running and failed to start it! Quitting...')
+				sys.exit()
+		else:
+			print >> sys.stderr, _('Gajim needs X server to run. Quiting...')
+			sys.exit()
 warnings.resetwarnings()
 
 if os.name == 'nt':

src/osx/__init__.py

@@ -1,15 +1,12 @@
 import sys, commands
 from network_manager_listener import device_now_active, device_no_longer_active
-import nsapp
 
 
-if sys.platform != "darwin":
-	raise ImportError("System platform is not OS/X")
-
+if sys.platform != 'darwin':
+	raise ImportError('System platform is not OS X')
 
 net_device_active = True
 
-
 ###
 ### Utility functions
 ###
@@ -21,6 +18,7 @@ def checkPID(pid, procname):
 		return True
 	return False
 
+import nsapp
 
 def init():
 	nsapp.init()