Console colors for non-tty logs

Change-Id: I3c3548a4a3c4642a790ee8163547dbbe10d220e2
diff --git a/multistructlog.py b/multistructlog.py
index 625b275..ecfd499 100644
--- a/multistructlog.py
+++ b/multistructlog.py
@@ -45,7 +45,7 @@
 import inspect
 
 PROCESSOR_MAP = {
-    'StreamHandler': structlog.dev.ConsoleRenderer(),
+    'StreamHandler': structlog.dev.ConsoleRenderer(colors=True, force_colors=True),
     'LogstashHandler': structlog.processors.JSONRenderer(),
     'RotatingFileHandler': structlog.processors.JSONRenderer()
 }