Debugger: Fix boost/time dumpers with Python 3

Change-Id: Ia93034641889603c4de57babf0117132eeb0c0cb
Reviewed-by: hjk <hjk121@nokiamail.com>
Debugger: Fix QVariantMap/QVariantHash dumper with Qt 5

Change-Id: I71358adc8c01dd1261627f35d0f35500e8b34989
Reviewed-by: hjk <hjk121@nokiamail.com>