ADDED: index.html，goto _site dir
UPDATED: delete _site/ dir, and ignore _site/
UPDATED: add sublimelinterrc, ignore lint node_module
CHANGED: rename backbone.vm.js to backbone.vm
CHANGED: add jshintrc, and add comments
CHANGED: finished model bind dom
ADDED: mistake
CHANGED: finished input dom vm complex bind
CHANGED: finished input[type=radio], select

//@TODO: checkbox
CHANGED: move radio bind data to VM instance
CHANGED: finished checkbox
CHANGED: simple.html modify
CHANGED: publish doc to spm
FINISHED：tag:on
FINISHED: tag: show  ok
FINISHED: tag：for ok
CHANGED：tag: for example
CHANGED: edit simple.html
Merge branch 'feature/start' into develop