Heavy refactoring + Improved mesege queu printing.

- pretty printers moved to the corresponding api_printer module
- object abstractions moved to
	- their own name for core modules
	- supercore for other supercore objects
	- classic for classic api objects

tools/gdb/python/__init__.py

@@ -3,14 +3,23 @@ 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 to reload code inside gdb source command
+    reload(supercore)
     reload(chains)
     reload(rtems)
     reload(classic)
     reload(objects)
     reload(threads)
+    reload(supercore_printer)
+    reload(classic_printer)
     print 'RTEMS GDB Support loaded'