CHANGES IN MSG VERSION 0.8
- Deleted two datasets 
cn_vs_us and eq2010
in preparation for the publication of the book (#42). 
CHANGES IN MSG VERSION 0.7
- Misc updates for the book (#40, #41).
 
CHANGES IN MSG VERSION 0.6
- Translated English text to Chinese in examples (thanks, @pzhaonet, #39).
 
CHANGES IN MSG VERSION 0.5
- Moved a lot of example code from the MSG book to this package, and
added a function 
msg() to run these examples (thanks, Peng
Zhao). 
CHANGES IN MSG VERSION 0.4
- Fixed a few broken demos thanks to Peng Zhao and Xiangyun
Huang.
 
CHANGES IN MSG VERSION 0.3
- Tweaks to pass 
R CMD check. 
CHANGES IN MSG VERSION 0.2.2
- Demos no longer use non-ASCII characters.
 
CHANGES IN MSG VERSION 0.2
- Updated the quake6 examples to work with ggplot 0.9.
 
CHANGES IN MSG VERSION 0.1-0
- The first version of the MSG package.