SuperAdapter Versions Save

修复 RecyclerView 重复刷新的bug.

1. Some optimization.
2. Add class ExtendViewHolder to support more convenient chain call. Such as holder.view(R.id.text).setText(str).setTextColor(color)...;

Thanks to @zhangzhichaolove #27 !

Improvement of replaceAll(list).

Supports DiffUtil: mAdapter.diff(DefaultDiffCallback)

Optimize ListView's header and footer.

Refactored method clear() to improve performance, adjusted method replaceAll(List<T>).

fix data source.

Fix header's width in some LayoutManager.

Bug fixed : addAll(int position, List<T> list).

1. Many optimizations.
2. Load animation supporting!