Pure bending test added to the btt study
Merge branch 'master' of
https://rosoba@github.com/simvisage/simvisage.git

Conflicts:
	quaducom/quaducom/devproc/bending_tensile_test/crack_strain_eval.py
	quaducom/quaducom/devproc/bending_tensile_test/mxn_interaction.py