bitbake/lib/bb/data.py:

bitbake/lib/bb/data.py:
bitbake/lib/bb/__init__.py:
bitbake/lib/bb/data_smart.py:
bitbake/lib/bb/cache.py:
bitbake/lib/bb/shell.py:
bitbake/bin/bitbake:
	* Major cache refactoring. Change the cache to store only the data bitbake needs
	for dependency calculations instead of all the metadata.
	* Separate the cache code into its own file.
	* Update the rest of the code to work with the cache changes.
	* Temporarily break the shell's poke command.