Version 0.1.8 Alpha - 2013.2.20

1. Modification- replaced all configuration files(config.py, CPAC_subject_list.py, config_fsl.py, data_config.py) to YAML formats

2. Fix- Ignore empty lines and commented lines in all txt files used as input by CPAC

3. Fix - Configuration files import issue.

4. Removed confusing directories with numbers for sca roi outputs and centrality outputs. Now all the ROI outputs go into a single directory per subject and same holds centrality outputs