Initial commit
init commit: fork from http://weibosdk.codeplex.com/
version: 21410
author: Xuanchenlin(http://www.codeplex.com/site/users/view/Xuanchenlin)
fix source control setting. remove packages.config
remove .net 2.0 and 3.5 version.
Revert "remove .net 2.0 and 3.5 version."

This reverts commit 6671c46a6a883c022b4110c76d911853be77a2fb.
remove .DS_Store file
fix solution version number.