Merge pull request #1 from mehikmat/master

added support for os detection

Adding in the os_scripts inclusion but need to merge changes in specifically.  Also need to merge in repo location in a more general way.
added in output for Installed VirtualBox and Vagrant, also fixed Darwin Reference
Added DemandCube Header, OS Detection and removed call to CentOS
adding in documentation
adding in documentation
adding in documentation
adding in support to install Java 1.7
synced with origin