steeve/boot2docker — pull request #90 by moul (2014-01-22 09:14:19+00:00)
Title: Checking return of VBoxManage modifyvm

Checking return of `VBoxManage modifyvm`

Some options may be unavailable in prior version of `VirtualBox` causing `modifyvm` to fail

Without this patch, the script continue with an unconfigured virtual machine without enough ram to boot the kernel