Setup:

Windows:

Ruby: http://rubyforge.org/frs/download.php/75107/rubyinstaller-1.8.7-p352.exe

Linux and OSX use RVM

run the following commands from the command line:

gem install bundler
bundle install

if gsl fails to install:

Ubuntu:

sudo apt-get install libgsl0ldbl libgsl0-dev

OSX:

sudo port install gsl

Windows:

Have not tried yet.

To run tests:

in a command line prompt change directory to the project folder then run the following:

rspec spec
cucumber features