Merge pull request #8 from EfrainReyes/master

Changed "either if" to "whether"
Closes #7

Updating readme with useful info
Merge branch 'master' of https://github.com/amhed/SolidSubdivision
Adding source control entry
adding missing link to source_control article
Changed heading size on all articles
Spacing issues
adding another reference link to the source control entry
Deleting gitignore

We moved all node files to another repo. This file is no longer needed