| update: about font rendering feature.
Merge branch 'master' of https://github.com/RecklessGame/RecklessRally

# By ZhuDelun
# Via ZhuDelun
* 'master' of https://github.com/RecklessGame/RecklessRally:
  | update: deal with the string rendering.
  | update: libraries update.
- update: freetype library added for display the text by using it.