- [PluginManager] fix bug: when remove plugin success, the ui will crash

- [PluginManager] update version to 1.4.2.1

- IPQuery: change targetFramework from "net45" to "net40"

update title to `alpha 2014.12.2`

- load `IronPython.Stdlib.dll` form / or /Bin

- update alpha to 2014.11.7

1.将Languages文件夹添加到ShadowCopyDirectories（2014.08.05）

移动readme.md

编辑更新日志

Update README.md