merge master back to staging (#184)

* Add CS1 book to supplemental reading books list

* Add CS1 course to Canvas course list

* Remove instructor ability to create terms

---------

Co-authored-by: Cliff Shaffer <shaffer@vt.edu>

app/models/ability.rb

@@ -98,7 +98,7 @@ def process_instructor(user)
       end
 
       can [:create, :read], InstBook
-      can [:create, :read], Term
+      can [:read], Term
       can [:create, :read], LatePolicy
       can [:update, :destroy], InstBook, user_id: user.id
       can [:create, :read], Organization

app/views/home/books.html.haml

@@ -33,6 +33,10 @@
   to view):
 
 %ul
+  %li
+    %a{ href: 'https://canvas.instructure.com/enroll/AA7HDH', target: "_blank" }
+      An objects-first CS1 course
+
   %li
     %a{ href: 'https://canvas.instructure.com/enroll/TXJGTB', target: "_blank" }
       Data Structures topics for a CS2-level course
@@ -66,6 +70,11 @@
   Supplemental reading versions:
 
 %ul
+  %li
+    - url = @config_url + '/OpenDSA/Books/IntroToSoftwareDesign/index.html'
+    %a{ href: url , target: "_blank" }
+      An objects-first CS1 course
+
   %li
     - url = @config_url + '/OpenDSA/Books/CS2/index.html'
     %a{ href: url , target: "_blank" }
@@ -85,8 +94,7 @@
   %li
     - url = @config_url + '/OpenDSA/Books/CS3notes/index.html'
     %a{ href: url, target: "_blank" }
-      Coursenotes form of presentation slides for "CS3" course on Data
-    Structures. 
+      Coursenotes form of presentation slides for "CS3" course on Data Structures. 
 
   %li
     - url = @config_url + '/OpenDSA/Books/CS4104/index.html'