Fixes #1017: Running BLT commands in Drupal VM requires bz2; update t…

…o Drupal VM 4.2.x. (#1018)

* Fixes #1017: Running BLT commands in Drupal VM requires bz2.

* Issue #1017: Upgrade to Drupal VM 4.2.x.

phing/tasks/vm.xml

@@ -69,7 +69,7 @@
     <copy file="${blt.root}/scripts/drupal-vm/Vagrantfile" todir="${repo.root}" verbose="true"/>
 
     <echo>Adding geerlingguy/drupal-vm to composer dev dependencies.</echo>
-    <exec dir="${repo.root}" command="composer require --dev geerlingguy/drupal-vm:~4.1" logoutput="true" checkreturn="true" level="${blt.exec_level}" passthru="true"/>
+    <exec dir="${repo.root}" command="composer require --dev geerlingguy/drupal-vm:~4.2" logoutput="true" checkreturn="true" level="${blt.exec_level}" passthru="true"/>
 
     <echo></echo>
     <echo>BLT has created default configuration for your Drupal VM.</echo>

scripts/drupal-vm/config.yml

@@ -53,6 +53,8 @@ installed_extras:
 
 # Use PHP 5.6.
 php_version: "5.6"
+php_packages_extra:
+  - "php{{ php_version }}-bz2"
 
 # XDebug configuration.
 # Change this value to 1 in order to enable xdebug by default.