Refactor

- pretty printers moved to pretty module
 - command and subcommands get own module

tools/gdb/python/__init__.py

@@ -3,24 +3,6 @@ if __name__ == "__main__":
     import sys
     import os.path
     sys.path.append(os.path.dirname(__file__))
-    import supercore
-    import chains
-    import rtems
-    import classic
-    import objects
-    import threads
-
-    import supercore_printer
-    import classic_printer
-
-    # Needed inorder to reload code from inside gdb
-    reload(supercore)
-    reload(chains)
-    reload(rtems)
-    reload(classic)
-    reload(objects)
-    reload(threads)
-    reload(supercore_printer)
-    reload(classic_printer)
+    import main
 
     print 'RTEMS GDB Support loaded'