Add Restful API for API.

accountant/api/__init__.py

@@ -15,8 +15,10 @@
     along with Accountant.  If not, see <http://www.gnu.org/licenses/>.
 """
 from flask import Blueprint
+from flask.ext.restful import Api
 
 api = Blueprint('api', __name__)
+api_api = Api(api)
 
 # Load all views.
 from .views import *