YUI remainders

[Thomas De Schampheleire]

Hi Takumi,

I noticed that you have sent a pull request in the past:
https://bitbucket.org/conservancy/kallithea/pull-request/63/remove-global-shortcut-yuc-and-yuq-v2

This replaces several uses of the YUI (Yahoo user interface library) by jQuery.

However, there still remain several YUx calls in Kallithea. My
question is: are you currently working on this, or are you planning on
working on this?

Thanks,
Thomas