Added troubleshooting installing some pacakges.
add link from my name to my blog
add additional git links
add link to Practical Machine Learning
Update rprog.md
Move troubleshooting from getclean.md to other.md
Merge pull request #6 from allanino/master

Added link in other.md for troubleshooting installing some packages.
Merge pull request #8 from justmarkham/updates

Updates to About, Practical Machine Learning, and Data Scientist's Toolbox
Update README.md
Merge remote-tracking branch 'upstream/master'
Move contribution to /other/##Troubleshooting per seankross' request
Merge pull request #10 from stepds/master

Update rprog.md
Slidify to Github
Subsetting and Apples and Oranges
RPubs to Github website walkthrough
Added link to knitr intro
Merge pull request #13 from thoughtfulbloke/master

Slidify for DDP, rpub2github for RR, cleanup challenge and subsetting for G&CD
Merge remote-tracking branch 'dss/master'

Conflicts:
	repres.md
Merge pull request #14 from sachsmc/master

Added link to knitr intro
added curated page