Scrape Todays Salaries and Stats.

Also update to new db table names.

injury_list -> injuries
boxscore -> boxscores
todays_game -> todays_game_stats

Signed-off-by: Steven Funasaki <steven.funasaki@framehawk.com>
Merge pull request #19 from funa68/todays_sal_and_stats

Scrape Todays Salaries and Stats.