Grab github repo and unzip in temp dir

Grab github repo and unzip in temp dir

References

Reference NO 1

http://stackoverflow.com/questions/15166052/grab-github-repo-and-unzip-in-temp-dir

Reference NO 2

http://stackoverflow.com/questions/15226150/r-exdir-does-not-exist-error

Reference NO 3

http://stackoverflow.com/questions/16096192/how-to-programmatically-extract-or-unzip-a-7z-7-zip-file-with-r

Reference NO 4

https://github.com/twdb/txhis/blob/master/fabfile.py

Reference NO 5

https://github.com/kirbyt/site-blog-whitepeaksoftware-com/blob/master/_posts/2010-10-26-turbo-pascal-on-ipad.markdown

Reference NO 6

#EANF#

Reference NO 7

#EANF#

Reference NO 8

#EANF#