make the data partition autocreation clearer
Merge pull request #256 from SvenDowideit/tweak-data-partition-info

make the data partition autocreation clearer
Fixed status() to properly capture "boot2docker-vm" expression from VBoxManage|grep line by enclosing
the space capture as a character class.
This works for both the default OS X grep 2.5x and GNU grep 2.16
Merge pull request #261 from jetdillo/master

Fixed status() to properly capture "boot2docker-vm" expression...