adding bundler and .rvmrcfor gem development and bumping gemspec config

.rvmrc

@@ -0,0 +1 @@
+rvm 1.9.2@fixture_builder --create

Gemfile

@@ -0,0 +1,4 @@
+source 'http://rubygems.org'
+
+gem 'rake'
+gem 'jeweler'

Gemfile.lock

@@ -0,0 +1,16 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    git (1.2.5)
+    jeweler (1.5.2)
+      bundler (~> 1.0.0)
+      git (>= 1.2.5)
+      rake
+    rake (0.8.7)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  jeweler
+  rake

fixture_builder.gemspec

@@ -40,11 +40,17 @@ Gem::Specification.new do |s|
     s.specification_version = 3
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
+      s.add_runtime_dependency(%q<rake>, [">= 0"])
+      s.add_runtime_dependency(%q<jeweler>, [">= 0"])
       s.add_development_dependency(%q<thoughtbot-shoulda>, [">= 0"])
     else
+      s.add_dependency(%q<rake>, [">= 0"])
+      s.add_dependency(%q<jeweler>, [">= 0"])
       s.add_dependency(%q<thoughtbot-shoulda>, [">= 0"])
     end
   else
+    s.add_dependency(%q<rake>, [">= 0"])
+    s.add_dependency(%q<jeweler>, [">= 0"])
     s.add_dependency(%q<thoughtbot-shoulda>, [">= 0"])
   end
 end