added zipcode_database.csv
Merge pull request #1 from is210-2014-fall-01/master

added zipcode_database.csv
task 1
 again
task 1 and 2
check 3
task 6
task 4
task 5 check
task 5 check again
task 6 with lookuperror
OSError task 3
again
weather
task 11
zipcode data check
zipcode error fixed
Merge pull request #1 from pwengerd/master

Set up