Merge pull request #4 from cupakromer/file-exists-deprecated

Ruby 2.1 has deprecated File.exists

Author: thomas-holmes

Rakefile

@@ -79,7 +79,7 @@ task :default => [:spec, "generate:sample", :cucumber]
 
 task :verify_private_key_present do
   private_key = File.expand_path('~/.gem/rspec-gem-private_key.pem')
-  unless File.exists?(private_key)
+  unless File.exist?(private_key)
     raise "Your private key is not present. This gem should not be built without that."
   end
 end

rspec-activemodel-mocks.gemspec

@@ -22,7 +22,7 @@ Gem::Specification.new do |s|
   s.require_path      = "lib"
 
   private_key = File.expand_path('~/.gem/rspec-gem-private_key.pem')
-  if File.exists?(private_key)
+  if File.exist?(private_key)
     s.signing_key = private_key
     s.cert_chain = [File.expand_path('~/.gem/rspec-gem-public_cert.pem')]
   end