Merge pull request #3 from vatsan/master

Simplified the code to verify parallelization without messing with the file system.
Added small section on plotting
test data types section
initial draft of Data Types section
best practices section initial draft
minor formatting edits
Editorial revisions, added PL/R architecture diagram
revised arch image
Editing content
edits
edits
HomePage language editing
Edited text of HomePage
Update HomePage.md
Update HomePage.md
Update Homepage.md -- Memory Limits section added and additional subsection links to data types section
Added figures for command center section
Updated Verifying Parallelization section - added Command Center content
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