Revert "Revert "Merge pull request #4545 from edx/renzo/bi-analytics-overhaul""

This reverts commit 079808ee47.

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

@@ -300,7 +300,8 @@ class @Problem
     Logger.log 'problem_check', @answers
 
     # Segment.io
-    analytics.track "Problem Checked",
+    analytics.track "edx.bi.course.problem.checked",
+      category: "courseware"
       problem_id: @id
       answers: @answers
 

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

@@ -128,7 +128,8 @@ class @Sequence
       analytics.pageview @id
 
       # navigation by clicking the tab directly
-      analytics.track "Accessed Sequential Directly",
+      analytics.track "edx.bi.course.sequential.direct.clicked",
+        category: "courseware"
         sequence_id: @id
         current_sequential: @position
         target_sequential: new_position
@@ -167,9 +168,10 @@ class @Sequence
 
     # navigation using the next or previous arrow button.
     tracking_messages =
-      seq_prev: "Accessed Previous Sequential"
-      seq_next: "Accessed Next Sequential"
+      seq_prev: "edx.bi.course.sequential.previous.clicked"
+      seq_next: "edx.bi.course.sequential.next.clicked"
     analytics.track tracking_messages[direction],
+      category: "courseware"
       sequence_id: @id
       current_sequential: @position
       target_sequential: new_position