Request merge of typos + fixes to VM set up#15

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SimonLeigh wants to merge 4 commits intodmaier-couchbase:masterfrom

SimonLeigh:master

Commits on Aug 22, 2016

Fix typo on virtual disk format
Simon Leigh
committed
Improve clarity on changing VM port forwards
Simon Leigh
committed
Any reason not to turn this off by default? Otherwise restarting keeps reactivating it when setting up
Simon Leigh
committed
fix typo
Simon Leigh
committed