Merge pull request #674 from shin-/17.06.0a-versions

Bump versions

Author: shin-

versions

@@ -1,9 +1,9 @@
 DOCKER_RELEASE_STAGE=stable
-INSTALLER_VERSION=17.06.0-ce
+INSTALLER_VERSION=17.06.0a-ce
 DOCKER_VERSION=17.06.0-ce
 DOCKER_COMPOSE_VERSION=1.14.0
-DOCKER_MACHINE_VERSION=0.12.0
+DOCKER_MACHINE_VERSION=0.12.2
 KITEMATIC_VERSION=0.17.0
-VBOX_VERSION=5.1.22
-VBOX_REV=115126
+VBOX_VERSION=5.1.24
+VBOX_REV=117012
 MIXPANEL_TOKEN=c306ae65c33d7d09fe3e546f36493a6e