* Network: use separate refresh indicator in NodeBase, instead of width parameter
* Added usage of iBaseNode.doRefresh to image shapes.
* Rearranged code in NodeBase.needRefresh()
* Fixes for review
* Removed strange link
* Added 's' in needsRefresh(); typo fix
* Fixes for review, code cleanup
* Modified ratio calc to original working.
* Made code in CircularImage.resize() more sensible.