opengb 0.12.1

OpenGB printer control.

# Open Gigabot Controller.

## Docs

Visit http://opengb.readthedocs.org for all documentation

## Frontends

Note the opengb-web frontend was added via git read-tree as described in #2 [here](http://stackoverflow.com/a/30386041/1273241):

` git remote add -f -t master --no-tags opengb-web [e-mail]:re-3D/opengb-web.git git merge -s ours --no-commit opengb-web/master git read-tree --prefix=opengb/frontend/opengb -u opengb-web/master:dist git commit `

It may be updated in future like this:

` git fetch opengb-web git merge -s ours --no-commit opengb-web/master git rm -rf opengb/frontend/opengb git read-tree --prefix=opengb/frontend/opengb -u opengb-web/master:dist git commit `