A few helpful changes for Ksenia:
* Add port forwarding from the vm on port 5000
* Add flask to the pip install in the puppet manifest
* make tipsy bind 0.0.0.0 instead of 127.0.0.1 so it can be viewed from
  outside the vm

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Merge pull request #1 from robert-chiniquy/tiny/fixes-from-rch

A few helpful changes for Ksenia