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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< sweet >
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        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
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