client: de-jQueryify settings pane
client: de-jQueryify settings pane

Part of an effort to remove dependency on jQuery.

$ instances left: 462

emersion/groovebasin,gorlug/groovebasin,neynah/groovebasin,melissanoelle/groovebasin,melissanoelle/groovebasin,sammcj/groovebasin,Qbuer/groovebasin,dwrensha/groovebasin,sammcj/groovebasin,melissanoelle/groovebasin,dwrensha/groovebasin,emersion/groovebasin,CalebMorris/groovebasin,dwrensha/groovebasin,gorlug/groovebasin,neynah/groovebasin,andrewrk/groovebasin,sammcj/groovebasin,Qbuer/groovebasin,CalebMorris/groovebasin,dwrensha/groovebasin,gorlug/groovebasin,Qbuer/groovebasin,andrewrk/groovebasin,emersion/groovebasin,andrewrk/groovebasin,neynah/groovebasin,CalebMorris/groovebasin