Update Runestone modules to all add js files using defer

Author: ascholerChemeketa

runestone/animation/animation.py

@@ -25,7 +25,7 @@
 
 def setup(app):
     app.add_directive("animation", Animation)
-    app.add_autoversioned_javascript("animationbase.js")
+    app.add_autoversioned_javascript("animationbase.js", defer="")
 
 
 SRC = """

runestone/lp/lp.py

@@ -538,7 +538,7 @@ def setup(
     app.setup_extension("CodeChat.CodeToRestSphinx")
 
     # Supply a fake CSS file to avoid errors, since the CodeChat's CSS will import this.
-    app.add_autoversioned_javascript("html4css1.css")
+    app.add_autoversioned_javascript("html4css1.css", defer="")
 
     # See http://www.sphinx-doc.org/en/stable/extdev/appapi.html#sphinx.application.Sphinx.add_role.
     app.add_role("alink", _alink_role)

runestone/matrixeq/matrixeq.py

@@ -43,7 +43,7 @@ def setup(app):
 
     app.add_autoversioned_stylesheet("matrixeq.css")
 
-    app.add_autoversioned_javascript("matrixeq.js")
+    app.add_autoversioned_javascript("matrixeq.js", defer="")
 
     app.add_node(MatrixEqNode, html=(visit_matrixeq_node, depart_matrixeq_node))
     app.add_node(

runestone/webgldemo/webgldemo.py

@@ -47,10 +47,10 @@ def setup(app):
 
     # CodeMirror syntax highlighting for various types of code
 
-    app.add_autoversioned_javascript("webglinteractive.js")
+    app.add_autoversioned_javascript("webglinteractive.js", defer="")
 
     # Javascript for saving files to the client's hard drive
-    app.add_autoversioned_javascript("FileSaver.min.js")
+    app.add_autoversioned_javascript("FileSaver.min.js", defer="")
 
     app.add_node(
         WebglInteractiveNode,