Update on sticky-header
Update on sticky-header

- now checks window height (if window height is smaller then 4 times header)
position absolute will be set

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