Release mongoid dependency

Author: simonoff

mongoid-rspec.gemspec

@@ -20,6 +20,6 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
 
   s.add_dependency 'rake'
-  s.add_dependency 'mongoid', '~> 3.1.6'
+  s.add_dependency 'mongoid', '>= 3.1.6'
   s.add_dependency 'rspec', '>= 2.14'
 end