CMWS Model 2.4

The CMWS Model, currently written in Python, compiles model runs of the Operational GFS and NAM computer model outputs by NOAA for providing a numerical weather forecast using statistical forecasting.
Model Runs at http://www.agtucast.com/index.php.

Enhancements
- Added new table definition observed_table.defs, for observed data
- Added observed_sql_query.py, integrate observed table data
- Modify model_analysis.py,
- integrate observed table data
- integrate spool file url parser
- removed createPercentErrorFile method in model_analysis.py
- integrated database for error percent
- added new table definition model_diff_table.defs
- added new table definition station_table.defs
- added new table definition precipitation_table.defs
- added precipitation.sql