add concepts to frozen videos for show notes

Author: tanyaparker

dashboard/config/videos.csv

@@ -73,6 +73,6 @@ C3_internet			mFOUbqYv1Sc	http://videos.code.org/2014/C3-internet.mp4
 C3_crowdsourcing			IqZMnfxqEfY	http://videos.code.org/2014/C3-crowdsourcing.mp4
 C3_functional_suncatchers			d1MdyeXy0v0	http://videos.code.org/2014/C3-functional-suncatchers.mp4
 C3_songwriting_with_parameters			5iDCKkI6y2Y	http://videos.code.org/2014/C3-songwriting-with-parameters.mp4
-Frozen_intro			H1-paxNG4kw	http://videos.code.org/2014/Frozen-intro.mp4
-Frozen_loops			d7e48cYq7uc	http://videos.code.org/2014/Frozen-loops.mp4
-Frozen_functions 			0eo0ESEX9DE	http://videos.code.org/2014/Frozen-functions.mp4
+Frozen_intro	Frozen_intro	H1-paxNG4kw	http://videos.code.org/2014/Frozen-intro.mp4
+Frozen_loops	Frozen_loops	d7e48cYq7uc	http://videos.code.org/2014/Frozen-loops.mp4
+Frozen_functions	Frozen_functions	0eo0ESEX9DE	http://videos.code.org/2014/Frozen-functions.mp4