Add AFNetworking and Ono via CocoaPods
Add Gameday client
Add box score XML serializer
Add box score operation

The box score operation uses a gameID to request the boxscore.xml file
from an individual game.
Add players XML serializer
Add players operation

The players operation uses a gameID to request the players.xml file
from an individual game.
Fix URL building

Using -stringByAppendingString: didn’t append a “/“ at the end of the
built path if it wasn’t included in the gameID. The docs say that
-stringByAppendingPathComponent: only works with file paths and not
string reps of URLs but since a relative path is being built as a
string, it works fine.
Add download method

The downloadGameWithGameID…is a convenience method that batches all of
the request operations and adds them to a download queue managed by the
client.
Add benchO XML serializer
Add benchO operation

The benchO operation uses a gameID to request the benchO.xml file from
an individual game.
Add line score XML serializer
Add line score operation

The line score operation uses a gameID to request the linescore.xml
file from an individual game.
Add header to consolidate response serializers
Use consolidated response serializer header
Add MIT License
Add License to README
Refactor benchO.xml parsing into smaller methods
Remove unnecessary local variable
Merge branch 'dev'