[Merge] lp:~morphis/goget-ubuntu-touch/add-turbo-bootstrap-support into lp:goget-ubuntu-touch

[Bin Li]

After talked with abeato and morphis, we prepare to add 'rm -rf /cache/*' in u-d-f.
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https://code.launchpad.net/~morphis/goget-ubuntu-touch/add-turbo-bootstrap-support/+merge/291583
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~morphis/goget-ubuntu-touch/add-turbo-bootstrap-support into lp:goget-ubuntu-touch.