begin analytics modul
first analytics
bug fixes in annotation (xml.py)

* added export in rst of alphabet
* begin with alphabet validating
Merge branch 'master' into weigl_analytics
Fix: sofanew.py now adds material definition to the correct sofa-node.
msml python-side is installable
rework frontend, untested
Merge branch 'master' of github.com:CognitionGuidedSurgery/msml
restore old requirements.txt
Merge branch 'master' of github.com:CognitionGuidedSurgery/msml
add run-msml-operator, one program to rule all operators from the command line

* bug fix in msml.frontend.App
small bug fixes in app and nsofa
Merge remote-tracking branch 'origin/weigl_analytics'
Fix: Lung examples does not work #14
Fix: Small fix in sofa export
remove requirements from setup.py
Merge branch 'master' into typeandsafety

* master:
  remove requirements from setup.py
  Fix: Small fix in sofa export
  Fix: Lung examples does not work #14
  small bug fixes in app and nsofa
  add run-msml-operator, one program to rule all operators from the command line
  restore old requirements.txt
  rework frontend, untested
  msml python-side is installable
  Fix: sofanew.py now adds material definition to the correct sofa-node.
  bug fixes in annotation (xml.py)
  first analytics
  begin analytics modul