Add API-X to vagrant install; Resolves Islandora/documentation#504

Vagrantfile

@@ -69,5 +69,6 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.provision :shell, :path => "./scripts/alpaca.sh", :args => home_dir
   config.vm.provision :shell, :path => "./scripts/islandora-karaf-components.sh", :args => home_dir
   config.vm.provision :shell, :path => "./scripts/config.sh", :args => home_dir
+  config.vm.provision :shell, :path => "./scripts/api-x.sh", :args => home_dir
   config.vm.provision :shell, :path => "./scripts/post-install.sh", :args => home_dir
 end

configs/karaf/apix.script

@@ -0,0 +1,2 @@
+feature:repo-add mvn:org.fcrepo.apix/fcrepo-api-x-karaf/LATEST/xml/features
+feature:install fcrepo-api-x

scripts/api-x.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+echo "Installing API-X"
+
+HOME_DIR=$1
+
+if [ -f "$HOME_DIR/islandora/configs/variables" ]; then
+  . "$HOME_DIR"/islandora/configs/variables
+fi
+
+export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+
+echo "Installing API-X"
+$KARAF_CLIENT -f $KARAF_CONFIGS/apix.script