D-2

v-1.0
---
1. up to => C/P
        ==> VideosController.php

	==> done
D-2

v-1.0a
---
1. J/C

	==> done
D-2

v-1.1
---
1. images#index

	==> done
D-2

v-2.0
---
1. "add"

	==> done