Merge branch 'bw_pip_setup_fix' into 'develop'

Upgraded min. setuptools version.

See merge request !521

(cherry picked from commit c3b2c464)

b9ffe1c2 Upgraded min. setuptools version.
adb65336 Update .gitlab-ci.yaml
935eb88e Update .gitlab-ci.yaml
47ce9102 Update .gitlab-ci.yaml
3df1b0bd Update .gitlab-ci.yaml
31f81feb Update .gitlab-ci.yaml
3ac4aab0 Update .gitlab-ci.yaml
288c10db Update .gitlab-ci.yaml
b867b1d2 Update .gitlab-ci.yaml
13c0e44b Update .gitlab-ci.yaml
a73a6a29 Update .gitlab-ci.yaml
6d3ef619 SQL scripts are added now as package resources (instead of other datafiles)...
49ca9863 Updated installation cmdline in the Readme.md file.
95fdd37a branch 'bw_pip_setup_fix' rebased
0a4bbda8 Updated docs in parts related to installation instruction, cleanup.