+ added array.js.
 - removed mousewheel.js.
 * fotmat code and add comments.
 * updated package.json and rebuilt dist.
 * removed unused method.
 * reconstruct datatable:removed customize column width and support reload data.
 * updated pakage.json and rebuilt.
 * chosen options support title attribute.
 * chosen dropdown menu support width option.
 * remove debug code.
 * updated documents.
 * fixed image path of kindeditor.
 * output jquery in dist.
 * ajusted style of chosen.
 * updated Changes.md.
 * build task support lib name.