Merge branches 'master' and 'master' of https://github.com/RecklessGame/RecklessRally

# By Zhu Delun
# Via Zhu Delun
* 'master' of https://github.com/RecklessGame/RecklessRally: (77 commits)
  | update: engine library had been update.
  | update: the input event had been connected between `GamePlay` engine & `Gwen` user interface library.
  | update: refactor something in TTFont. some useless code just now.
  | update: for fixing a rendering issue. WIP.
  | update: engine & UI library update.
  | update: for gwen UI library.
  | update: resize feature done.
  | update: make runs on mac osx.
  | update: refactor the primitive renderer.
  | update; gwen update.
  | update: change the renderer into using programable pipeline opengl driver.
  | update:
  | update:
  - REMOVE: `GLM` moved into engine
  + add: resource files added. - update: engine & gwen library update.
  | update: swap buffer after rendering screen.
  | update: engine & Gwen update.
  | update: engine & user interface library update + add: resource files for Gwen library added
  | update: `Gwen` library update.
  * fixed: a bug that crash in initialize the app after app starts. cause of `skin` is local var.
  ...

# By Zhu Delun
# Via Zhu Delun
* 'master' of https://github.com/RecklessGame/RecklessRally: (77 commits)
  | update: engine library had been update.
  | update: the input event had been connected between `GamePlay` engine & `Gwen` user interface library.
  | update: refactor something in TTFont. some useless code just now.
  | update: for fixing a rendering issue. WIP.
  | update: engine & UI library update.
  | update: for gwen UI library.
  | update: resize feature done.
  | update: make runs on mac osx.
  | update: refactor the primitive renderer.
  | update; gwen update.
  | update: change the renderer into using programable pipeline opengl driver.
  | update:
  | update:
  - REMOVE: `GLM` moved into engine
  + add: resource files added. - update: engine & gwen library update.
  | update: swap buffer after rendering screen.
  | update: engine & Gwen update.
  | update: engine & user interface library update + add: resource files for Gwen library added
  | update: `Gwen` library update.
  * fixed: a bug that crash in initialize the app after app starts. cause of `skin` is local var.
  ...

Conflicts:
	.gitignore
	README.md