Added default values for score formatting

Added default values for score formatting
Included FormatMapper in the score formatting chain

Made FormatUnicode not a terminating decorator

Implemented FormatMapper for mapping scores into dicts

Removed scar tissue of old score formatting

Removed uneccesary flag for post-season formatting

Added test for regular season scores
DB Model now has default values
Added GameTag to DB model
Moved ScoreFactory to Score package

Utilized new ScoreFactory
Mocked service for urlfetch
Redefined CONSTANTS as DATA_BLOB

Replaced CONSTANTS with DATA_BLOB constant

Replaced CONSTANTS with DATA_BLOB constants class
Test case for POST with invalid parameter
Added parameter checking
Added default string encoding in constants
Removed scar tissue