Add GNU_make directory and initial files
Test of Code Blocks
Change the extension name from .mkd to .md
Using ``` for code blocks rather than '''
shorten the introduction part
Finish the Initial Framwork
Almost Donegit add --allgit add --all
Almost Almost finished....
Almost done again......Zzzz
Merge pull request #1 from barbagroup/master

09172014
Merge pull request #2 from piyueh/master

update my fork
Merge pull request #3 from piyueh/piyueh

Piyueh_GNU_make
Merge pull request #4 from barbagroup/piyueh

Piyueh