* helm.el (helm-split-window-default-fn): Allow reusing other-window-for-scrolling when method 'other is used.(#443)
(helm-split-window-default-side): New method allowed 'other.
(helm-default-display-buffer): Don't reuse lastwindow state when helm-split-window-default-side is 'other.
* helm-sys.el (helm-top-action-transformer): Add actions (#436)