updated docstrings for MChoice and FillInTheBlank

Author: vasiljevic

runestone/assess/multiplechoice.py

@@ -148,6 +148,7 @@ class MChoice(Assessment):
     config values (conf.py): 
 
     - mchoice_div_class - custom CSS class of the component's outermost div
+    - mchoice_compare_button_show - if False, hide the 'Compare me' button (default True)
     """
     required_arguments = 1
     optional_arguments = 1

runestone/fitb/fitb.py

@@ -115,6 +115,7 @@ class FillInTheBlank(RunestoneIdDirective):
     config values (conf.py):
 
     - fitb_div_class - custom CSS class of the component's outermost div
+    - fitb_compare_button_show - if False, hide the 'Compare me' button (default True)
     """
     required_arguments = 1
     optional_arguments = 0