Bump up bundler version to rc.2

rails.gemspec

@@ -25,5 +25,5 @@
   s.add_dependency('activeresource', version)
   s.add_dependency('actionmailer',   version)
   s.add_dependency('railties',       version)
-  s.add_dependency('bundler',        '>= 1.0.0.rc.1')
+  s.add_dependency('bundler',        '>= 1.0.0.rc.2')
 end

railties/guides/source/contributing_to_rails.textile

@@ -69,7 +69,7 @@ All of the Rails tests must pass with any code you submit, otherwise you have no
 NOTE: Ensure you install bundler v1.0
 
 <shell>
-gem install -v=1.0.0.rc.1 bundler
+gem install -v=1.0.0.rc.2 bundler
 bundle install --without db
 </shell>
 

railties/guides/source/initialization.textile

@@ -141,7 +141,7 @@ Here the only two gems we need are +rails+ and +sqlite3-ruby+, so it seems. This
 * activesupport-3.0.0.beta4.gem
 * arel-0.4.0.gem
 * builder-2.1.2.gem
-* bundler-1.0.0.beta.5.gem
+* bundler-1.0.0.rc.2.gem
 * erubis-2.6.6.gem
 * i18n-0.4.1.gem
 * mail-2.2.5.gem