commit 2d92977085983a5936de434f1d646839f2032622
Author: Iyán Méndez Veiga <me@iyanmv.com>
Date:   Tue Aug 21 23:22:35 2018 +0200

    Delete code in start.sh (not necessary). Simplify 'os.umask' code. Add paragraph to docs

commit 19d1e7be71e1eb7632fa8dbf412b8120e55aee03
Author: Iyán Méndez Veiga <me@iyanmv.com>
Date:   Tue Aug 21 19:03:36 2018 +0200

    Change if clause condition

commit 13802f436c36d2d91c36036e2025fd693b4b3bcd
Author: Iyán Méndez Veiga <me@iyanmv.com>
Date:   Tue Aug 21 20:24:38 2018 +0200

    Update jupyterlab & extensions

commit 63bdcad837d79eafecf8548c5ab0b76bd57922c2
Author: Iyán Méndez Veiga <me@iyanmv.com>
Date:   Tue Aug 21 16:21:01 2018 +0200

    Fix 'No newline at end of file'

commit 9504408874e5db286075e9810c9564c0af1a32ef
Author: Iyan Méndez Veiga <iyan.mendezveiga@arcelormittal.com>
Date:   Tue Aug 21 15:37:32 2018 +0200

    Fix if clause start.sh

commit 74da4e07b296e2e568d290a9a660858b8b0e3a2e
Author: Iyan Méndez Veiga <iyan.mendezveiga@arcelormittal.com>
Date:   Tue Aug 21 14:52:21 2018 +0200

    Add NB_UMASK flag to modify default umask