minor changes

added the next notebook

index modified

Uploading V0402

plasticity

discussion with Abdul

index updated

New notebooks added

added mayavi

ignore

test

pyface added

pyqt

pyside added

reset the development option

Environment dependency fixed - gitkraken

lecture 4 prepared

lecture 4 - a

scipy added into the dependency

correct yml

pip to bmcs included

fixed the missing trait dependency

deleted zips

Readme added

after lecture 3

Lecture 3 with launcher

lecture 3

prior to lecture 3

notebook support

Lecture 3 almost prepared