Support specifying different configuration entries per file.
More concise logic for configuration.
Changing config logic to allow for various targets.
Merge pull request #13 from leonardt/specializer_specific_config

Specializer specific config.
Adding a default Assign node handler to PyBasicConversions.
Adding PyBasic Assign testcase.
Merge pull request #14 from leonardt/pybasicconversions-patch1

Adding a default Assign node handler to PyBasicConversions.
Move PRESERVE_SRC_DIR back to jit section of cfg.
Merge pull request #16 from leonardt/config-patch

Move PRESERVE_SRC_DIR back to jit section of cfg.
Add get_group_id macro for ocl.
Merge pull request #17 from leonardt/get_group_id

Add get_group_id macro for ocl.