Changed GHOP module imports to be consistent with rest of Melange code. The imports used the from <module-path> import <module> as <local_module_name> syntax. These kinds of imports are changed to import <module_path.module_name> syntax to be consistent with the Melange code base. Reviewed by: Lennard de Rijk

"""
Code used in a couple of places to work with the current thread's environment.
Current users include i18n and request prefix handling.
"""

try:
    import threading
    currentThread = threading.currentThread
except ImportError:
    def currentThread():
        return "no threading"