Add geminstaller.yml to require jeweler.

Add rspec, rack, and thin requirements for gem.

Rakefile

@@ -11,7 +11,11 @@ namespace :jeweler do
       gemspec.homepage = "http://github.com/ragaskar/jasmine-ruby"
       gemspec.description = "Jasmine Ruby"
       gemspec.authors = ["Rajan Agaskar"]
-      gemspec.files = FileList.new('bin/*', 'lib/**/**', 'jasmine/lib/**', 'jasmine/contrib/ruby/**', 'tasks/**', 'templates/**') 
+      gemspec.files = FileList.new('bin/*', 'lib/**/**', 'jasmine/lib/**', 'jasmine/contrib/ruby/**', 'tasks/**', 'templates/**')
+
+      gemspec.add_dependency('rspec', '>= 1.1.5')
+      gemspec.add_dependency('rack', '>= 1.0.0')
+      gemspec.add_dependency('thin', '>= 1.2.4')
     end
     Jeweler::GemcutterTasks.new
   rescue LoadError