the m5 package as convert.py
add a smartdict class which stores strings and can intelligently
interpret those string variables as several other types.
make the env dict use the smartdict class
python/m5/config.py:
move a bunch of conversion functions into convert.py
turn the env dict into a smartdict
adapt the _CheckedInt stuff to deal with derived types
python/m5/objects/BaseCPU.mpy:
env is now a smartdict and can properly convert to bool
--HG--
extra : convert_revision : 8abcd35a5ab14b82f280aea59020953869e33365
