OptBox: Use jQuery instead of ext.
OptBox: Use jQuery instead of ext.

Simplifies code, step forward to remove ext from frontend.

yacon/koala-framework,Sogl/koala-framework,nsams/koala-framework,nsams/koala-framework,kaufmo/koala-framework,koala-framework/koala-framework,Ben-Ho/koala-framework,nsams/koala-framework,yacon/koala-framework,kaufmo/koala-framework,yacon/koala-framework,Ben-Ho/koala-framework,koala-framework/koala-framework,Sogl/koala-framework,kaufmo/koala-framework