added playbook and options info to callbacks

will display on certain verbosity levels, both playbook/file info
and non empty options with which it's running.
avoid errors when not using CLI classes

lib/ansible/plugins/callback/__init__.py

@@ -39,6 +39,11 @@ except ImportError:
 
 __all__ = ["CallbackBase"]
 
+try:
+    from __main__ import cli
+except ImportError:
+    # using API w/o cli 
+    cli = False
 
 class CallbackBase:
 
@@ -54,6 +59,11 @@ class CallbackBase:
         else:
             self._display = global_display
 
+        if cli:
+            self._options = cli.options
+        else:
+            self._options = None
+
         if self._display.verbosity >= 4:
             name = getattr(self, 'CALLBACK_NAME', 'unnamed')
             ctype = getattr(self, 'CALLBACK_TYPE', 'old')