Modification to handle Visualizer from Vagrant
enable Ruby syntax highlighting
network address for directing RelEx output
Updated 'Setting up PLN' steps

I updated the 'Setting up PLN' steps to make them more comprehensive and easier to follow for people who have never run an OpenCog Server.
Update README.md
Merge pull request #565 from remu5/patch-2

Updated 'Setting up PLN' steps
Merge pull request #556 from AmeBel/vagrant-networking

port forwarding
Update benchmark based on #563
Merge pull request #566 from cosmoharrigan/concurrency

Update benchmark based on #563
stub out the ypertable code
Rationalize the WIN32 tests in CMake
Move compiler defintions to top of cmakefile
Fix more confusing WIN32 gunk in CMakefile