Fix fuselage's runner on py3

Author: Jc2k

CHANGES

@@ -5,7 +5,7 @@ fuselage
 0.0.6 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Fix the runner on py3. json.loads won't accept bytes.
 
 
 0.0.5 (2015-05-11)

fuselage/runner.py

@@ -20,6 +20,7 @@
 
 from fuselage import log, bundle, error, event, platform
 from fuselage.error import NothingChanged
+from fuselage.utils import force_str
 
 logger = logging.getLogger(__name__)
 
@@ -108,5 +109,5 @@ def get_resources(self):
         except IOError:
             raise error.ParseError("Bundle is missing resources.json")
         b = bundle.ResourceBundle()
-        b.loads(resources_json)
+        b.loads(force_str(resources_json))
         return b