Add version information to fsic/__init__.py

Copy version information from setup.py to fsic/__init__.py.

Investigate options to prevent duplication of variables at a later date.
Initial commit of skeleton scripts/fsic-build.py

New script to eventually contain model-building utility code.

Update setup.py to install new script.
Initial commit of examples folder and Model SIM

New examples folder to store demonstration files.

New Markdown file to eventually contain Model SIM from Godley and
Lavoie (2007).

Update MANIFEST.in to include examples folder.