Disable submit buttons until rubric totally filled out

common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee

@@ -300,7 +300,7 @@ class @CombinedOpenEnded
       @hide_file_upload()
       @submit_button.prop('value', 'Submit assessment')
       @submit_button.click @save_assessment
-      @submit_button.attr("disabled",false)
+      @submit_button.attr("disabled",true)
       if @child_type == "openended"
         @submit_button.hide()
         @queueing()

common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee

@@ -453,6 +453,7 @@ class @PeerGradingProblem
       @submit_button.show()
       @submit_button.unbind('click')
       @submit_button.click @submit_calibration_essay
+      @submit_button.attr('disabled', true)
       @scroll_to_top()
     else if response.error
       @render_error(response.error)
@@ -483,6 +484,7 @@ class @PeerGradingProblem
       @submit_button.show()
       @submit_button.unbind('click')
       @submit_button.click @submit_grade
+      @submit_button.attr('disabled', true)
       @scroll_to_top()
     else if response.error
       @render_error(response.error)
@@ -558,6 +560,7 @@ class @PeerGradingProblem
       @action_button.show()
 
   show_submit_button: () =>
+    @submit_button.attr('disabled', false)
     @submit_button.show()
 
   setup_score_selection: (max_score) =>