Add vendor/bundle path for ruby bundle install

frameworks/Ruby/padrino/install.sh

@@ -13,7 +13,7 @@ else
 	rvm install rbx-2.2.10
 fi
 
-rvm ruby-2.0.0-p0 do bundle install --gemfile=$TROOT/Gemfile
+rvm ruby-2.0.0-p0 do bundle install --gemfile=$TROOT/Gemfile --path vendor/bundle
 rvm jruby-1.7.8 do bundle install --gemfile=$TROOT/Gemfile
 
 export LC_ALL=en_US.UTF-8 

frameworks/Ruby/rack/install.sh

@@ -13,7 +13,7 @@ else
 	rvm install rbx-2.2.10
 fi
 
-rvm ruby-2.0.0-p0 do bundle install --gemfile=$TROOT/Gemfile
+rvm ruby-2.0.0-p0 do bundle install --gemfile=$TROOT/Gemfile --path vendor/bundle
 rvm jruby-1.7.8 do bundle install --gemfile=$TROOT/Gemfile
 
 export LC_ALL=en_US.UTF-8 

frameworks/Ruby/rails-stripped/install.sh

@@ -11,5 +11,5 @@ else
 	rvm install jruby-1.7.8
 fi
 
-rvm ruby-2.0.0-p0 do bundle install --gemfile=$TROOT/Gemfile-ruby
+rvm ruby-2.0.0-p0 do bundle install --gemfile=$TROOT/Gemfile-ruby --path vendor/bundle
 rvm jruby-1.7.8 do bundle install --gemfile=$TROOT/Gemfile-jruby