Merge branch 'master' of https://github.com/vatsan/gp-r
Update HomePage.md

minor edits in the language
Added R, PL/R installation and verification

Added R, PL/R installation and verification
Merge pull request #5 from wjjung317/master

Reorganized outline and content flow, Added content for Command Center and Memory Limits sections
Updated the architecture figure to have labels, and a less scary, non-MSFT icon man
Updated installation instructions
updating file with upstream changes
merge messed up, trying a shortcut
restoring homepage.md
updated arch figure
Merge pull request #6 from vatsan/master

Filled out sections on installation and merged upstream changes.