Initial commit
First commit.
Project created.
Update README.md

Plan changed. 3d engine -> 2d engine
CException class created.
Merge branch 'master' of https://github.com/JoyLeeSoft/BoltEngine
MAKE_EXCEPTION_CLASS and THROW_EXCEPTION macros added.
ISingleton class added.
CDynamicLib class added.
CVersion class added.
CPluginManager class added.
Plugin system completed.
BoltWin32Window Plugin added.
Change all string to unicode
CEventHandler class added
D2D1Renderer system added.
BOLTENGINE_NAMESPACE macros deleted.
CColor class added.
and little changed.
Automatic deletion support.
.gitignore .tfignore added.
CManagerBase class added.
EventHandler operator -= added.
SceneManager added.
override / abstract / final specifiers added.