Checkpoint 12/12

ruby main.rb
with extra commands:
--all
--boxscore
--injuries
--salary_histroy

Also changed DB connector:
DB=Sequel.connect(:adapter => 'postgres', :host => 'localhost', :database => 'stats_development')
to
DB=Sequel.connect(:adapter => 'postgres', :host => 'localhost', :database => 'stats_development', :user=>'postgres', :password=>'pingpong21')

Signed-off-by: Steven Funasaki <steven.funasaki@framehawk.com>