OGLplus0.50.0发布，OpenGL的C++封装库

Git@OSC 安卓客户端 1.0 Beta 发布

OGLplus 0.50.0 发布，此版本现已提供下载，更新内容如下：

- Support for different methods of GL object construction was added.
- The implementation of smart-enums was updated and the smart-enum-values
  were added.
- The context::ClearBuffers class was renamed to context::BufferClearing.
- The Capability enumeration was updated.
- The StaticGroup class template was updated.
- The Range utilities were updated, the Contains, Has and CountIf
  functionw were added.
- The StrQueryRange::Size member function was added.
- The implementation of Nothing was moved from ./detail/ to ./utils/.
- The Error::Code function was added.
- The MultiplyBy and DivideBy functions in Vector were renabled to
  Multiply and Divide.
- The FragData class was added.
- The Set function was removed from UniformBlock.
- New constructors and comparison operators were added to StrCRef.
- All occurences of StrLit were replaced by StrCRef and the StrLit class
  was completely removed.
- Syntax sugar operators for Sampler were added.
- The MissingFunction exception class was moved into a separate file.
- Several examples were updated and/or fixed.
- Detection of GL version 4.5 was added to the build system.
- The Quickbook documentation was updated.

OGLplus (oglplus) 是一个仅包含头文件的 C++ 语言库，用于实现一个瘦面向对象的 OpenGL 门面操作接口，提供了自动资源和对象管理的封装，让在 C++ 中使用 OpenGL 更加简单和安全。