Lock rspec version to 3.x, add collection matchers
Lock rake to 10.1.x for ruby 1.8 compat
include chef as a dev dependency
Otherwise the chef plugin does not run when tests are run with `bundle
has_rdoc is deprecated, remove it
hiding sigar from windows builds
add junit rspec format for Ci
[OHAI-259] Let yajl ride
remove extlib, move version to its own file
Had to copy the mash class out of chef in order to make this work.
Clearly, that's a sub-optimal solution. After we ship this version of
ohai, we can just depend on ohai/mash in Chef and remove it from
ohai.gemspec is *the* gemspec, don't gitignore it.