Changed HTML template structure. Headers left and top are now fixed. Only Gantt body is scrollable.
Added feature to let the body scroll vertical and horizontal. Left and top headers are kept in a fix position.
Merge newest develop
Added maxHeight as controllabe parameter to the demo
Bugfix: Week and Month header are off it there is a summer time change. Column.EndDate has now the correct value.
Added property view-scale-factor to the demo
Merge branch 'feature/better-scroll-area' into develop