Move Makefile to bin since it's not a config, and more of shell commands.
Move Makefile to bin.
Split tools config into smaller files grouped by task.
Rename tools back to types for consistency reason, it's too late to change due to existing .bob.json out there.
Move config files handling to config.js .
Move config files handling to config.js .
Allow inexistent task config, not all tasks have config.
Use dox-foundation as default doc target. #16
Use plato as default complexity target type.
Remove expresso due to installation taking more than 1 minute.
Move task config loading after alias target check in bob.js .
Add .bob.json config.
Fix task ref.