first commit
add: split-view interaction.
add: height min/max constraints.
change: watching window size by trackResizeWindow and watching view size by trackResizeView.
add: evtCancel function.
add: initTextarea function.
change: to use evtCancel function.
add: j2h class.
add: interaction for apply anchor.
add: traverse method.
add: delegator json2elm.
change: call j2h.output method after j2h.loadJSON method succeeded.