Merge pull request #81 from pipu/v3_dll

Modify parse properties that RotationSkew, Skew
1. fixes windows build error.
1.  Update protobuf.
remove colorframe's cascade set
Merge pull request #82 from geron-cn/v3_dll

remove colorframe's cascade set
删除libprotobuf链接输入依赖
Merge pull request #83 from geron-cn/v3_dll

删除libprotobuf链接输入依赖
1.  Fixes Build error.
new protocol buffers framework