Initial models; initial API call test

Created initial models from JSON in the API help screens; Added custom small-footprint Asynchronous web services class; Initial API call to get team list

Signed-off-by: Bill Weakley <mc_fonix@mac.com>
Built out Team->Roster->Player flow

Updated:

TeamListViewController
RosterViewController
PlayerViewController
YankeesAPI

User can tap Teams, select a team, see the roster, select a player, and view the player's photo and info.

Signed-off-by: Bill Weakley <mc_fonix@mac.com>
Added search

Search added; Search results include player name, team, and a number representing the player's position;
Search and Player tweaks

Finished search; Implemented autolayout for player and other views; Player view now shows the following:

For pitchers, year and number of outs;
For others, year and number of homeruns;

Signed-off-by: Bill Weakley <mc_fonix@mac.com>