run-pychecker.py under scripts/dev to assist us catch runtime errors

scripts/dev/run-pychecker.py

+#! /usr/bin/env python
+# (C) 2006 Nikos Kouremenos <kourem@gmail.com>
+
+import os
+import sys
+
+if os.getcwd().endswith('dev'):
+	os.chdir('../../src/') # we were in scripts/dev
+
+os.system('pychecker --limit 10000 --no-shadowbuiltin *.py &> /tmp/pychecker-gajim.log')
+os.system('$EDITOR /tmp/pychecker-gajim.log')
+