Merge pull request #99 from opscode/lcg/rspec-3

Lcg/rspec 3
Set environment before exec to ensure PATH takes effect
Merge branch 'set-PATH-before-exec'

Fixes #103
adding smoke and unit test for chefspec
WIP: fixing the hardcoded path
add chefspec to dev bundle

so 'chef verify' can find it to resolve the path
parallel --jobs 3 screws up deps

we actually need depsolver-libgecode installed before trying to install
depsolver, etc.