support Visual Studio 2012
support Visual Studio 2013
Merge pull request #15 from masaru-b-cl/support-vs2012

support Visual Studio 2012
Merge pull request #16 from masaru-b-cl/support-vs2013

support Visual Studio 2013
NuGetパッケージの復元を有効化
ライセンスの更新
1.2リリース