Merge pull request NativeScript#903 from NativeScript/etabakov/jekyll-build-fails

Ruby installation fails because of missing key

Author: PetyaSotirova

build/provision/install_vagrant.sh

@@ -14,11 +14,9 @@ gruntcli() {
  npm install -g grunt-cli
 }
 
-bundler() {
- sudo gem install bundler
-}
-
 install_ruby() {
+
+ command curl -sSL https://rvm.io/mpapis.asc | gpg --import -
  curl -sSL https://get.rvm.io | bash -s stable --ruby=2.3.0
  . ~/.rvm/scripts/rvm
  gem install bundler